Design Guide DG014006EN Effective February 2020

Low-voltage power distribution and control systems > Panelboards >

Retrofit panelboards
Pow-R-Line 1RX and 2RX

Contents
General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.6-2
Panelboards Overview. . . . . . . . . . . . . . . . . . . . . . . . . 22.6-2
Application Considerations and Definitions. . . . . . . . . 22.6-4
Pow-R-Line 1RX Retrofit Panelboard . . . . . . . . . . . . . . 22.6-7
Pow-R-Line 2RX Retrofit Panelboard . . . . . . . . . . . . . . 22.6-8

Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.6-9
Circuit Breaker Technical Data . . . . . . . . . . . . . . . . . . . 22.6-9
Power Xpert Release Trip Unit for
Molded Case Circuit Breakers. . . . . . . . . . . . . . . . . . . 22.6-11
Metering and Surge Protective Devices . . . . . . . . . . . 22.6-13

Layouts and Dimensions . . . . . . . . . . . . . . . . . . . . . . . 22.6-14

PRL1RX Layout Guide . . . . . . . . . . . . . . . . . . . . . . . . . 22.6-14
PRL2RX Layout Guide . . . . . . . . . . . . . . . . . . . . . . . . . 22.6-15

Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . 22.6-16

Series Rated Combinations. . . . . . . . . . . . . . . . . . . . . 22.6-16
Panelboard Selection Guide. . . . . . . . . . . . . . . . . . . . . 22.6-27

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Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-2

Panelboards Overview Standards and Certifications General Construction Features

■ ULT 67 Listed for wall-mounted Eaton’s assembled panelboards are
Choices to quickly change feeder breakers applications from 600 A to 1200 A designed for sequence phase connection
in electrical distribution equipment have of branch circuit devices. This allows
evolved over the years. While using ■ National Electrical CodeT
complete flexibility of circuit arrangement
drawout switchgear with power air circuit (single-, two- or three-poles) to allow
breakers remains a highly reliable
solution, requests for drawout molded Available Ratings balance of the electrical load on each
The panelboards are rated at 240 Vac, phase.
case circuit breakers (MCCBs) have
increased. And, customers need a 480 Vac and 600 Vac. Fault current is Sturdy, rigid chassis assembly ensures
wall-mounted panelboard solution with available up to 200 kAIC at 240 Vac, accurate alignment of interior with panel
front-accessibility and front-connected 100 kAIC at 480 Vac and 65 kAIC at front; prevents flexing and minimizes
equipment to meet space require­ments 600 Vac. The short-circuit current rating possibility of loosening or damage to
and application needs. of the panelboard is determined by the current carrying parts during and after
low short-circuit current rating of the installation.
Eaton’s drawout MCCB Pow-R-LineT lowest rated overcurrent device in
4DX (PRL4DX) panelboard provides this the panelboard. Four point in-and-out adjustment of panel
solution. interior is provided to meet critical depth
Boxes and trims are UL 50 Listed and dimensions on flush installations. This
This is the first design to offer two- and labeled. Both the box and the trim are compensates for possible misalignment
three-pole MCCBs in a mechanical painted ANSI-61 light gray. Deadfront of box at installation.
drawout design. Breaker ratings from covers are also painted ANSI-61 light
20 A to 600 A use unique drawout gray to match box and trim. Main lugs are mechanical solderless type
cassettes. Breakers are inserted and and approved for copper and aluminum
removed via a mechanical removal Drawout feeder MCCBs are available in conductors.
system similar to other drawout designs two- and three-pole offerings from 20 A
associated with switchgear; however, to 600 A. Main breakers above 600 A are
fixed-mounted using a traditional bolt-on Enclosures
these breakers are horizontally mounted
in a traditional panelboard group- design. Main breakers 600 A and below Boxes are code-gauge galvanized steel
mounted manner. are available with either the traditional except for column type panelboards,
fixed-mounted, bolt-on design or in a which include a painted box finished in
drawout cassette. For drawout mains or ANSI-61 light gray to match the trim.
Market and Segment Applications feeders above 600 A, please use Eaton’s Standard panelboard cabinets are
switchboard offering. designed for indoor use. Alternate types
While the drawout MCCB panelboard
are available for outdoor and special
design may be substituted for nearly
purpose applications.
any traditional application with feeder
MCCBs, it has been specifically designed Panelboard Options
All enclosures are furnished in
to meet the needs of several industries, ■ Copper and silver-plated copper accordance with UL standards and
including: ■ Copper lugs include wiring gutters with proper wire
■ Density-rated bus bending space. Special cabinets can be
■ Electrical distribution systems where a
provided at an additional charge.
changeout of circuit breakers is needed ■ Ground bars
to upgrade equipment to a new process ■ Customer-owned meters The box dimensions shown are inside
■ Data centers dimensions. For outside dimensions, add
■ Service equipment construction
0.25-inch (6.4 mm).
■ Industrial facilities to minimize
■ Surge protective devices
downtime Standard panelboard boxes are supplied
■ Seismically qualified panelboards
■ Institutions without knockouts (blank endwalls).
■ Laboratories
■ Healthcare facilities
■ Critical load applications

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-3

EZE Trim Combination AFCI Circuit Breakers

The EZ Box and EZ Trim are provided Eaton’s 125 Vac AFCI single- and two-pole,
standard for Pow-R-Line 1X and Pow-R- 15 A and 20 A bolt-on breakers in panel-
Line 2X lighting panelboards, as well as boards meet Article 210.12 of the NECT.
Pow-R-Line 3X and Pow-R-Line 3E See the NEC for definitions and details.
mid-range panelboards.

Retrofit Panelboards
■ Pow-R-Line 1RX and Pow-R-Line
2RX Retrofit Panelboards are the
only panelboards in the market listed
for use in retrofit applications in other
manufacturers’ existing back boxes

EZ Trim Provides Standard Door-in-Door

Construction With No Exposed Hardware
or Sharp Ridges. No Tools are Required
for Installation.

The trims for lighting and appliance

branch circuit panelboards and small
power distribution panelboards include a
door with rounded corners and concealed
hinges. A flush-type latch and lock
assembly is included. All locks are keyed
alike. These trims are available in both
surface and flush mounted designs.
Fronts for power distribution panelboards
use a unique breaker front cover design in
which each device has a dedicated bolt-on
steel cover. The individual covers form a
single deadfront for the panelboard that is
used in conjunction with two wiring
gutter covers to complete the trim. A door
is not finished as part of the standard
offering on these panelboards but can be
provided, for an additional charge, using
a deeper than standard box.

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-4

Application Considerations Selective Coordination Interconnecting Multi-Section

and Definitions Please refer to Molded Case Circuit Panelboards
Breakers Design Guides for detailed When a panelboard, for connection to one
information on overcurrent protective feeder, must be furnished in more than
Standards device combinations for use on one section (box), each section must be
selectively coordinated systems. furnished with main bus and terminals of
All Eaton’s panelboards are designed to
meet the following applicable industry the same rating, unless a main overcurrent
standards, except where noted: device is provided in each section.
Service Entrance Equipment
1. Underwriters Laboratories NEC Articles 230.F and G, and UL, Sub-feed or through-feed provisions
require that: must also be added to provide connec­tion
a. Panelboards: UL 67 capability to the second section.
b. Cabinets, boxes and trims: UL 50 a. Panels used as service entrance
equipment must be located near Note: Sub-feed or through-feed lugs cannot be
Note: Only panelboards containing UL the point where the supply used on any panelboard that is not protected by
listed devices can be UL labeled. conductors enter the building. a single main overcurrent device either in the
panelboard or immediately upstream, i.e.,
2. National Electrical Code b. A panelboard having main lugs service entrance panelboards with main lugs
only shall have a maximum of six only using the six disconnect rule.
3. NEMA Standards: PB 1 service disconnects to de-energize
the entire panel­board from the
4. Federal Specification W-P-115c
Circuit breaker—Type I Class 1
supply conductors. Where more Sub-Feed
Box
Lugs (Figure 22.6-1)Box
than six disconnects are required, Sub-feed lugs are one means of
Fusible switch—Type II Class 1 a main service disconnect must interconnecting multi-section panels. The
be provided. sub-feed (second set of) lugs are mounted
Panelboard Selection Factors c. Must include connector directly beside the main lugs. These are
In selecting a panelboard, the follow­ing for bonding and grounding required in each section except
Neutral the last
Neutral

factors must be considered: neutral conductor. panel in the lineup. The feeder cables are
brought into the wiring gutter of the first

Panel

Panel
d. A service-entrance-type UL label
a. Service (voltage and frequency). must be factory installed. section and connected to the main lugs.
b. Interrupting capacity (fully or Another set of the same size cables are
e. Ground fault protection of connected to the sub-feed lugs (Section 1)
series rated). equipment shall be provided for and are carried over to the main lugs of
c. Ampere rating of main. solidly grounded wye electrical the adjacent panel. Cross connection
d. Ampere ratings of branches. services of more than 150 V to cables are not furnished by Eaton.
ground, but not exceeding 600 V Sub-feed lugs are only available on
e. Installation environment. phase-to-phase for each service main lug only panels.
f. Codes and standards mandates. disconnecting means rated 1000 A
Ta ps
or more. Note: Sub-feed lugs may not be used on
Conduit
main lug onlyIncoming
(six disconnect
Feeder Cablesrule) service
Panelboard Short-Circuit Rating Service entrance panels must be entrance panels.
The short-circuit rating of Eaton’s identified as such on the order entry
assembled panelboards are test verified to the manufacturing location.
by, and listed with, Underwriters Box Box
Laboratories. Generally, these ratings Column Type Panelboards
are that of the lowest interrupting rated
device in the panel. The same general code restrictions apply
as for standard width panels except
Certain exceptions to this rule exist where where trough extensions are used.
branch devices have been UL tested in Neutral Neutral
combination with specific main devices
having a higher interrupting rating. Where Multi-Section Panelboards
Panel

Panel

these defined main breaker and branch When more than 42 overcurrent
breaker combinations are used, the series protective devices are required, two
short-circuit rating of the assembled or more separate enclosures may be
panelboard will be the same as the required. Separate fronts for each
series tested rating of the approved box are standard.
rated main breaker. Available main
and branch breaker combinations are
tabulated on Page 22.6-18 through
Page 22.6-26 All combinations
shown are UL tested and listed. Conduit

These series ratings apply to panels Section 1 Section 2

having main devices, or main lug only
panelboards fed remotely by the device Figure 22.6-1. Sub-Feed Lugs
listed in the series ratings chart as the
main, for which UL listed tests were
conducted.

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-5

Through-Feed Lugs (Figure 22.6-2) Multiple Section Panelboard— Overcurrent Protection

Through-feed lugs are another method to Flush Mounted National Electrical Code Article 408 states
interconnect multi-section panelboards. Shown below is the standard method for a panelboard shall be protected by an
The incoming feeder cables are connected flush mounting multiple section lighting overcurrent protective device having
to the main lugs or main breaker at the and distribution panelboards using a rating not greater than that of the
bottom of panel (Section 1). Another set of standard flush trims. panelboard.The overcurrent protective
lugs (through-feed) are located at the device shall be located within or at any
opposite end of the main bus.The point on the supply side of the panelboard.
interconnecting cables are connected to Conduit Nipple for Cross Wiring by Contractor
the through-feed lugs in Section 1 and are Exceptions to Article 408 selectively
carried over to the main lugs in Section 2. apply. Refer to the National Electrical
The connection arrangement could be Code Article 408 for specifics.
reversed, i.e., main lugs at top; through- .75 .75
(19.1) .75 .75
feed lugs at bottom end of panel. Cross
cables are not furnished by Eaton. Wall
(19.1)
Trim
1.5 (19.1) (19.1)
Trim
Wall Ground Fault Protection
(38.1)
Top Section Ground fault protection (GFP) may
Note: Through-feed lugs may not be used on Contractor to Mount Boxes
View
1-1/2-inch (38.1 mm) Apart to be added to most panelboards using
main lug only (six disconnect rule) service Allow for 3/4-inch (19.1 mm) Eaton’s integral molded case circuit
entrance panels. .75 Extension on Both Flush Trims
(19.1) Trim
Outside Edge of Box breaker GFP and included feeder
devices on power panelboards and
mains on all panelboards.
Box Box

Cross Cables Arcflash Reduction

Main
Lugs
Maintenance SystemE
Eaton’s Arcflash Reduction Maintenance
Neutral
System is available on many molded case
.75
(19.1)
circuit breakers from 70 A to air power
circuit breakers at 5000 A. Recognized
Panel

.75 .75 .75

by the 2011 National Electrical Code and
Thru-
Panel

Feed (19.1) (19.1) .75 (19.1) the National Electrical Safety Code (NFPA
Lugs (19.1)
70E), the Arcflash Reduction Maintenance
Two Section Flush Trim Extends 3/4-inch
Panelboard (19.1 mm) Beyond Outside System allows breakers to trip quickly
(Flush Mounting) of Box on All Four Sides thus significantly reducing the available
Neutral arc flash potential.
Figure 22.6-3. Multiple Section Panelboard—
Main Lugs Flush Mounted—Dimensions in Inches (mm)

Conduit Branch Circuit Loading for

Incoming Feeder Cables Lighting Panels
Section 1 Section 2 The size of mains and branches should be
selected based on the following:
Figure 22.6-2. Through-Feed Lugs
a. Lighting circuits: NEC Article 210,
215, 220 and 240.
b. Distribution circuits, actual
or continuous loads:
NEC Article 384.16.
c. Motor circuits: NEC Article 430.
d. Diversity factor.
e. Provision for future loading.

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-6

Ambient Temperatures Seismic Qualification The effects of continual low energy

The primary function of an overcurrent transients and high frequency noise
device is to protect the conductor and can cause erratic equipment performance
its insulation against overheating. In or sudden failure of electronic circuit
selecting the size of the devices and board components.
conductors, consideration should be Eaton can provide protective and
given to the ambient temperature diagnostic systems integral to
surrounding the conductors within and Refer to Power Distribution Systems panelboards. The SPD is integrated
external to the panelboard. Cumulative Design Guides for information on into the panelboards using a “zero lead
heating within the panelboard may cause seismic qualification for this and other length” direct bus bar connection.
premature operation of the over­current Eaton products. Integral disconnect is used on all
protective devices. Pow-R-Line 4 panels.
UL test procedures are based, in part, Harmonic Currents
on 80% loading of panelboard branch
Standard panelboard neutrals are rated
circuit devices. Article 408 of the NEC
for 100% of the panelboard current.
limits the loading of overcurrent devices
However, because harmonic currents can
in panelboards to 80% of rating where in
cause overheated neutrals, an option is
normal operation the load will continue
provided for neutrals to be rated at 200%
for three hours or more.
(1200 A maximum neutral for 600 A main
Further derating may be required, bus) of the panelboard phase current.
depending on such factors as ambient Panelboards with the 200% rated neutral
temperature, duty cycle, frequency are UL listed as suitable for use with
or altitude. nonlinear loads. Eaton SPDs May be Integrated
into Most Panelboards
Exception: There is one exception to this Prior to specifying the 200% rated neutral,
rule in both UL and NEC. It applies to Eaton recommends a harmonic survey be The SPD protects sensitive electronic
assemblies and overcurrent devices that conducted of the distribution system, be it equipment from the damaging effects of
have been approved for continuous duty new or existing. high and low energy transients.
at 100% of its rating. This exception is For complete product description
covered in NEC 210.20 (a). Also see and available ratings, refer to Surge
Molded Case Circuit Breakers Design Surge Protective Devices (SPD) Protection (SPD) & Power Conditioning
Guides for additional information. The quality of power feeding sensitive Products Design Guides.
electronic loads is critical to the reliable
operation of any facility. In modern
Special Conditions offices, hospitals and manufacturing Compact Panelboard Meter
Standard panelboards, assembled with facilities, the most frequent causes of Most Eaton panelboards can integrate
standard components, are adequate for microprocessor-based equipment a compact meter for reading the
most applications. However, special downtime and damage are voltage panelboard power and energy usage.
consideration should be given to those transients and electrical noise. Eaton’s Power Xpert Meter 350 has ANSI
required for application under special 12.20 0.5% accuracy, a bright backlit LCD
Electrical loads and microprocessor-
conditions such as: display, real energy pulse output, phase
based equipment are highly susceptible
a. Excessive vibration or shock. to both high and low energy transients. loss alarm and optional RS-485
High energy transients include lightning communication capability.
b. Frequencies above 60 cycles.
induced surges and power company
c. Altitudes above 6600 ft (2012 m). switching. These high energy transients
d. Damp environment (possible can destroy components instantly.
fungus growth).
More frequently the electrical system
e. Compliance with federal, state experiences low energy transients and
and municipal electrical codes high frequency noise.
and standards.

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-7

Pow-R-Line 1RX Retrofit Branch Circuits Main Lugs Only

For available branch devices, refer to The short-circuit rating of the MLO
Panelboard Table 22.6-2. assembled panelboard will be fully rated
based upon the lowest rated branch
Eaton offers a factory-assembled device, or may be series rated with an
panelboard interior and trim designed to approved upstream device.
bolt directly into an existing enclosure.
Main lugs only ampere ratings:
Custom-built panelboard interiors and 100 and 225.
trims can be provided to retrofit most any
manufacturer’s existing panelboard
enclosure. Main Circuit Breakers
The short-circuit rating shown is that of
The panelboards are listed and are the main breaker only. The short-circuit
marked with both the Underwriters rating of the assembled panelboard is the
Laboratories (UL) and Canadian rating of the lowest fully rated main or
Standards Association (CSAT) labels. branch device, or the rating of an
approved series rated combination.
Why Retrofit?
Table 22.6-1. Main Circuit Breakers
■ Upgrade protective device interrupting
ratings Breaker Breaker Type Interrupting
Frame Rating
■ Replacing old, obsolete circuit breakers Amperes (kA Symmetrical)
with new at 240 V
■ Providing additional circuits for load 100 BAB   10
Pow-R-Line 1RX growth 100 QBHW   22
100 PDG2xF   18
■ Accommodating system change and
225 PDG2xG, PDG3xG   65
General Description additions
225 PDG2xM 100
■ Adding ground fault circuit interrupters 225 PDG2xP 200
Panelboard Ratings 225 PDD2xF   22
225 PDD2xG   65
Voltage Immediate Benefits 225 PDD2xM 100
■ 240 Vac maximum ■ Installation time is dramatically 225 PDD2xM 200
reduced
■ Disruption of existing power service is
Main Lugs
minimal Series Rated Combinations
■ 100–400 A
■ Less cleanup and wall repair because Refer to series rating tables beginning
there is no need to cut and break on Page 22.6-18 for the approved
Main Breakers concrete or finished wall surface series rated combinations available
■ 100–225 A for the branch circuit breakers listed in
Table 22.6-2.
Branch Breakers The panelboards are listed and are
■ 15–100 A (bolt-on chassis) marked with both the Underwriters
Laboratories (UL) and Canadian
Short-Circuit Current Ratings (Symmetrical) Standards Association (CSA) labels.
■ 240 Vac: 10 kA and 22 kA fully rated
Table 22.6-2. Branch Circuit Breakers
■ 240 Vac: 22–200 kA series rated
Breaker Ampere Number Interrupting Rating (kA Symmetrical)
Type Rating of Poles 120 V 120/240 V 240 V
Service
■ Three-phase, four-wire 208Y/120 V BAB 15–70 1 10 — —
and 240/120 V delta BAB 15–100 2 — 10 —
BAB 15–100 2, 3 — — 10
■ Single-phase, three-wire 120/240 V
BAB-D a 15–60 1, 2 10 10 —
■ Single-phase, two-wire 120 V BAB-C b 15–30 1, 2 10 10 —
BABRP c 15–30 1, 2 10 10 —
■ Three-phase, three-wire 208 and 240 V
BABRSP c 15–30 1, 2 10 10 —
Suitable for service entrance QBGF, QBGFEP 15–50 d 1, 2 10 10 —
applications when specified. QBCAF e 15–20 1 10 10 —
QBHW 15–70 1 22 — —
QBHW 15–100 2 — 22 —
Mains QBHW-H 15–100 2, 3 — — 22
For available mains, refer to Table 22.6-1. QBHGF, QBGFEP 15–30 1, 2 22 22 —
QBHCAF e 15–20 1 22 22 —
Main breakers, 100 A, Types BAB and QBH
are horizontally mounted, same as branch a HID (High Intensity Discharge) rated breaker. c Solenoid operated breaker.
breakers. All other main breakers are b Switching neutral breaker. Single-pole device d 50 A is two-pole only.
vertically mounted. requires two-pole space, two-pole device e Arc fault breaker.
requires three-pole space.

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
General Description 22.6-8

Pow-R-Line 2RX Retrofit Mains Main Lugs Only

For available mains, refer to Table 22.6-3. The short-circuit rating of the MLO
Panelboard assembled panelboard will be fully rated
Main breakers, 100 A, Type GHB is based upon the lowest rated branch
horizontally mounted, same as branch device, or may be series rated with an
breakers. All other main breakers are approved upstream device.
vertically mounted.
Main lugs only ampere ratings:
Branch Circuits 100 and 225.
For available branch devices, refer to
Table 22.6-4. Main Circuit Breakers
The short-circuit rating shown is that of
Eaton offers a factory-assembled the main breaker only. The short-circuit
panelboard interior and trim designed to rating of the assembled panelboard is the
bolt directly into an existing enclosure. rating of the lowest fully rated main or
Custom-built panelboard interiors and branch device, or the rating of an
trims can be provided to retrofit most any approved series rated combination.
manufacturer’s existing panelboard Table 22.6-3. Main Circuit Breakers
enclosure.
Breaker Breaker Interrupting Rating
The panelboards are listed and are Frame Type (kA Symmetrical)
marked with both the Underwriters Amperes 240 Vac 480Y/277 Vac
Laboratories (UL) and Canadian
100 GHB   65   14
Pow-R-Line 2RX Standards Association (CSA) labels.
225 PDG2xM 100   65
225 PDG2xP 200 100
Why Retrofit?
General Description ■ Upgrade protective device interrupting
ratings Series Rated Combinations
Panelboard Ratings
■ Replacing old, obsolete circuit breakers Refer to series rating tables beginning
Voltage with new on Page 22.6-18 for the approved
■ 240 Vac ■ Providing additional circuits for load series rated combinations available
growth for the branch circuit breakers listed in
■ 480Y/277 Vac maximum
Table 22.6-4.
■ Accommodating system change and
Main Lugs additions The panelboards are listed and are
■ Adding ground fault circuit interrupters marked with both the Underwriters
■ 100–225 A
Laboratories (UL) and Canadian
Standards Association (CSA) labels.
Main Breakers Immediate Benefits
■ 100–225 A ■ Installation time is dramatically
reduced
Branch Breakers ■ Disruption of existing power service is
minimal
■ 15–100 A (bolt-on chassis)
■ Less cleanup and wall repair because
there is no need to cut and break
Short-Circuit Current Ratings (Symmetrical)
concrete or finished wall surface
■ 240 Vac: 10 kA and 22 kA fully rated
■ 240 Vac: 22–200 kA series rated

Service Table 22.6-4. Branch Circuit Breakers

■ Three-phase, four-wire 480Y/277 Vac Breaker Ampere Number Interrupting Rating (kA Symmetrical)
Type Rating of Poles 120 Vac 240 Vac 277 Vac 480Y/277 Vac
■ Three-phase, four-wire 208Y/120 Vac
and 240/120 Vac delta GHQ 15–30 1, 2 65 — 14 —
■ Single-phase, three-wire 120/240 Vac GHB 15–100 1 65 — 14 —
GHB 15–100 2, 3 — 65 — 14
■ Single-phase, two-wire 120 Vac GHB-HID a 15–20 1 65 — 14 —
■ Three-phase, three-wire 208 and 240 Vac GHBGFEP b 15–60 1 65 — 14 —
HGHB 15–30 1 65 — 25 —
Suitable for service entrance applications a HID (High Intensity Discharge) rated breaker.
when specified. b GHB breaker with 30 ma equipment ground fault protection.

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Devices 22.6-9

Circuit Breaker Technical Data

Table 22.6-5. Electrical Characteristics of Circuit Breakers
Circuit Breaker Ratings UL Listed Interrupting Ratings (kA rms Symmetrical)
Type Ampere Number Volts AC Rating, Volts DC Rating, Volts a
Rating of Poles AC 120/240 240 277 480 600 125 250

BAB   15–70 1 120   10 — — — — — —

  15–100 2 120/240   10 — — — — — —
BAB-H   15–100 2, 3 240 — 10 — — — — —
BABRP, BABRSP   15–30 1 120   10 — — — — — —
  15–30 2 120/240   10 — — — — — —
QBGF, QPGFEP   15–50 1 120   10 — — — — — —
QBGFEP   15–50 2 120/240   10 — — — — — —
QBHW   15–70 1 120   22 — — — — — —
  15–100 2 120/240   22 — — — — — —
QBHW-H   15–100 2, 3 240 — 22 — — — — —
QBHGF   15–30 1 120   22 — — — — — —
QBHGFEP   15–30 2 120/240   22 — — — — — —
QBHAF   15–20 1 120   22 — — — — — —
GHB   15–100 b 1 277   65 — 14 — — 14 —
  15–100 2, 3 480Y/277 — 65 — 14 c — — 14
GHQ   15–30 1, 2 277   65 — 14 — — — —
HGHB   15–30 1 277   65 — 25 — — — —
GHBGFEP   15–60 1 277 — — 14 — — — —
PDG2xF   15–100 1 277 — — 14 — — 10 —
  15–100 2, 3 480 — 18 — 14 — — 10
PDG2xG, PDG3xG*   15–150 1 277 — — 35 — — 10 —
  15–225 2, 3 600 — 65 — 35 18 — 10
PDD2xF 100–225 2, 3 240 — 22 — — — 10 —
PDD2xG 100–225 2, 3 240 — 65 — — — 10 —
High Interrupting Capacity Circuit Breakers
PDG2xM   15–150 1 277 — — 65 — — 10 —
  15–225 2, 3 600 — 100 — 65 25 — 22
PDD2xM 100–225 2, 3 240 — 100 — — — 10 —
PDG3xM* d, PDF3xM e 100–400 2, 3 600 — 100 — 65 35 — 22
Current Limiting Circuit Breakers
PDG2xP   15–225 2, 3 600 — 200 — 100 35 — 22
PDD2xM 100–225 2, 3 240 — 200 — — — 10 —
a DC ratings apply to substantially non-inductive circuits.
b DC rated single-pole, 15–70 A only.
c Rating 480Y/277 Vac maximum.
d Available with integral ground fault protection.
e 100k based on NEMA test procedure.

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Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Devices 22.6-10

Terminal Wire Ranges, Pressure-Type Al/Cu Terminals Except as Noted

Where copper-aluminum terminals are supplied on designated panelboard types, best results
are obtained if a suitable joint compound is applied when aluminum conductors are used.
Table 22.6-6. Standard Main Lug Terminals
Panel Wire Size Ranges for Ampere Capacity
Type 100 A 225 A 250 A 400 A 600 A 800 A 1200 A

Pow-R-Line 1X, 1XF, 1RX #12–1/0 #6–300 kcmil — (2) #4–500 kcmil (2) #4–500 kcmil a — —
Pow-R-Line 2X, 2XF, 2RX #12–1/0 #6–300 kcmil — (2) #4–500 kcmil (2) #4–500 kcmil a — —
a Not applicable PRL 1XF, 1RX, PRL 2XF, 2RX.
Note: Optional 750 kcmil mechanical screw-type terminals are available upon request. Panelboard dimensions may be affected. Refer to Eaton.

Table 22.6-7. Standard Main Breaker and Branch Breaker Terminals

Breaker Type Ampere Rating Wire Size Ranges

BAB, QBHW, BABRSP   15–70 #14–#4

PDD2xF, PDD2xG 100–225   #4–4/0 or
PDD2xM, PDD2xM b   #6–300 kcmil
PDG2xF, PDG2xG   15–100 #14–1/0
PDG2xM, PDG2xP b, HFDDC c 125–225   #4–4/0
GHB, HGHB, GHQ,   15–50 #14–1/0
GHQRSP   25–100 #10–1/0
PDG3xG* 225 (1) #3–350 kcmil
b Suitable for DC applications only.
c LHH is 400 A maximum.

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Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Devices 22.6-11

Power Xpert Release Features

Trip Unit for Molded Case The PXR electronic trip units provide
an enhanced and easy-to-use interface
Circuit Breakers that enables end users and maintenance
engineers to more easily change set
points, test and configure circuit breakers,
Description and review energy and power information.
Eaton’s Power Xpert Release (PXR) trip Also, the Power Xpert Protection Manager
units are programmable communicating software provides the capability of
microprocessor-based low-voltage secondary injection tests and reports
electronic trip unit systems for Eaton on-demand without the need of
molded case circuit breakers. PXR trip expensive test kits.
units are available in four models:
PXR 10, PXR 20, PXR 20D and PXR 25. Advanced features include: Arcflash Reduction Maintenance
System (ARMS)
■ Industry-first breaker health algorithms
provide real-time monitoring and
Standards and Certifications communication of breaker condition
The PXR trip units are listed by
■ Cause of trip LED indication and trip
Underwriters Laboratories (UL) and
Canadian Standards Association (CSA) event data storage
for use in Frame PD-2, PD-3, PD-4, PD-5 ■ Zone selective interlocking (ZSI)
and PD-6 molded case circuit breakers. verification and testing indication
All PXR units have also passed the ■ Adjustable Arcflash Reduction
IEC 60947-2 test program that includes Maintenance SystemE (ARMS) settings
EMC testing. All trip units meet the
■ LCD display with programmable
low-voltage and EMC directives and
settings
carry the CE mark.

Power Xpert Protection

Manager (PXPM) Software

ARMS Breaker health LCD display

Fully programmable

Metering capability

Enhanced GF protection

Versatile communication

ZSI verification and testing Cause of trip LEDs Micro-USB for PXPM interface

PXR 25 Trip Unit Features

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Devices 22.6-12

Table 22.6-8. Power Xpert Release (PXR) Features

Features PXR 10 PXR 20 PXR 20D PXR 25

Protection types LSI LSI/LSIG LSI/LSIG LSI/LSIG

Status indication Standard Standard Standard Standard
USB secondary injection testing Standard Standard Standard Standard
Programmable by USB port (PXPM) Standard Standard Standard Standard
Independent instantaneous adjustment Standard Standard Standard Standard
Adjustable L, S, I, G pickup and time Standard Standard Standard
Cause of trip indication Available through Standard Standard Standard
USB port (PXPM)
Load alarm indication with 2 levels Standard Standard Standard
Programmable load alarm levels Standard Standard
Ground fault protection and alarm Optional Optional Optional
Arcflash Reduction Maintenance System (ARMS) Optional Optional Optional
Available PD3, PD4, PD5, PD6
Zone selective interlocking (ZSI) with indication Optional Optional Optional
Programmable relays Optional Standard Standard
Modbus RTU communication Optional Standard Standard
CAM module communication Optional Optional Optional
Rotatable LCD display Standard Standard
Breaker health and diagnostic monitoring Available through Standard Standard
USB port (PXPM)
Voltage metering accurate to 0.5% Standard
Power and energy metering accurate to 1% Standard

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Devices 22.6-13

Metering and Surge Protective Devices

Power Xpert Meter 350 Integrated Surge Protective Devices

Power Xpert Meter 350 Integrated Surge Protective Devices

The Power Xpert Meter 350 (PXM350) Eaton integrates our industry-leading
is a revenue grade energy meter that surge protective devices (SPD) in to
delivers a cost-effective solution for switchboards. Lead length is kept to a
energy and submetering applications. minimum to maximize SPD performance.
This DIN rail mounted, three-phase SPD units are available with ratings up
energy meter provides high accuracy through 400k, and are UL listed and
in a small form factor. The user-friendly labeled to UL 1449 3rd Edition.
LCD display is ideal for building energy
management, energy monitoring and All switchboards with integrated
metering systems. SPD units are connected to a lineside
overcurrent protective device for
Meter features include: disconnecting means. When applied on
the lineside of a service entrance main,
■ Data collection and management the disconnecting means does not count
for energy and multi-parameters as a service disconnect per National
measurement Electrical Code Article 230.71[A].
■ Demand measurement and forecasting
of current, active power, reactive power For complete SPD product
and apparent power description, application and ratings,
visit www.eaton.com/spd.
■ System event logging with
configurable parameter alarms
■ LCD display with backlight support
■ Electronic and physical sealing to
prevent tampering
For more information on other
available power meters, visit
www.eaton.com/meters.

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Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Layouts and Dimensions 22.6-14

PRL1RX Layout Guide

Technical Data and Specifications Application Guidelines

The following dimensions and data are Stud
Bussing necessary for production of a panelboard Locations Front View
100–400 A: Tin-plated aluminum is to fit an existing box:
standard, copper is available as an option.
Existing Flush-Mounted Box A C
Boxes ■ Height dimension H
Fits existing box depths from ■ Width dimension W
4.50 (114.3 mm) to 6.00 inches B
(152.4 mm) deep. ■ Depth dimension D H
■ Flange width dimension F
Optional mounting brackets are available
if existing enclosure exceeds 6.00 inches ■ If box is not flush with plaster line,
(152.4 mm) deep. dimension E

Boxes shallower than standard may Existing Surface-Mounted Box

require special collar adapters.
■ Height dimension H
W
Trims ■ Width dimension W
■ Depth dimension D
Figure 22.6-4. Existing Interior Mounting Studs
■ Flange width dimension may be
F or FF as appropriate:
❏ Flange width dimension F Plaster Line
q Flange width dimension FF F E

D
Stud Locations
In most applications, the existing Top View (Flush Mounted)
mounting hardware in the enclosure
FF
may be removed, but in some areas,
the backpan may need to be attached
D
using a minimum of one existing
mounting stud to meet local code Top View (Surface Mounted)
requirements for grounding. Confirm
with your local electrical code authority
having jurisdiction. Figure 22.6-5. Existing Box Top View

Pow-R-Line 1RX Stud location dimensions:

A _______, B _______ and C _______.
The trim and door is designed to attach
directly to the panelboard deadfront
assembly so that there is no external Table 22.6-9. Minimum Enclosure Sizing
trim-fastening hardware required. Ampere Number Main Device Minimum Enclosure Dimensions Inches (mm)
Rating of Circuits Type Height Width Depth
The interior backpan or optional
mounting plates are fastened directly to Main Lug Only
the back of the existing enclosure using 100 18 MLO 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
the hardware provided. 30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)
225 18 MLO 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
Neutral and Ground Bus 30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
■ Integrally mounted Neutral assembly 42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)
■ Ground bar and bonding conductor 400 18 MLO 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
included 30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)
■ Neutral and Ground convertible from
Main Breaker
left-right
100 18 BAB, QBHW 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
■ Insulated/Isolated ground bus is 30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
available as an option 42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)
■ Aluminum is standard, copper is 18 PDG2xF, PDD2xG, PDD2xM 30.00 (762.0) 14.00 (355.6) 4.50 (114.3)
available as an option 30 PDG2xG, PDG2xM 36.00 (914.4) 14.00 (355.6) 4.50 (114.3)
42 PDD2xF, PDD2xM 42.00 (1066.8) 14.00 (355.6) 4.50 (114.3)
225 18 PDD2xG, PDD2xM, PDD2xF 30.00 (762.0) 14.00 (355.6) 4.50 (114.3)
30 PDD2xM, PDG2xG, 36.00 (914.4) 14.00 (355.6) 4.50 (114.3)
42 PDG2xM, PDG2xP 42.00 (1066.8) 14.00 (355.6) 4.50 (114.3)

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Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Layouts and Dimensions 22.6-15

PRL2RX Layout Guide

Technical Data and Specifications Application Guidelines

The following dimensions and data are Stud
Bussing necessary for production of a panelboard Locations Front View
100–225 A: Tin-plated aluminum is to fit an existing box:
standard, copper is available as an option.
Existing Flush-Mounted Box A C
Boxes ■ Height dimension H
Fits existing box depths from ■ Width dimension W
4.50 (114.3 mm) to 6.00 inches B
(152.4 mm) deep. ■ Depth dimension D H
■ Flange width dimension F
Optional mounting brackets are available
if existing enclosure exceeds 6.00 inches ■ If box is not flush with plaster line,
(152.4 mm) deep. dimension E

Boxes shallower than standard may Existing Surface-Mounted Box

require special collar adapters.
■ Height dimension H
W
Trims ■ Width dimension W
■ Depth dimension D
Figure 22.6-6. Existing Interior Mounting Studs
■ Flange width dimension may be
F or FF as appropriate:
❏ Flange width dimension F Plaster Line
q Flange width dimension FF F E

D
Stud Locations
In most applications, the existing Top View (Flush Mounted)
mounting hardware in the enclosure may
FF
be removed, but in some areas, the
backpan may need to be attached using a
D
minimum of one existing mounting stud
to meet local code requirements for Top View (Surface Mounted)
grounding.
Confirm with your local electrical
code authority having jurisdiction. Figure 22.6-7. Existing Box Top View

Stud location dimensions:

Pow-R-Line 2RX A _______, B _______ and C _______.
The trim and door is designed to attach
directly to the panelboard deadfront
assembly so that there is no external Table 22.6-10. Minimum Enclosure Sizing
trim-fastening hardware required. Ampere Number of Main Device Minimum Enclosure Dimensions Inches (mm)
Rating Circuits Type Height Width Depth
The interior backpan or optional
mounting plates are fastened directly to Main Lug Only
the back of the existing enclosure using 100 18 MLO 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
the hardware provided.
42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)
225 18 MLO 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
Neutral and Ground Bus 30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
■ Integrally mounted Neutral assembly 42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)

■ Ground bar and bonding conductor Main Breaker

included 100 18 GHB 21.00 (533.4) 14.00 (355.6) 4.50 (114.3)
30 27.00 (685.8) 14.00 (355.6) 4.50 (114.3)
■ Neutral and Ground convertible from 42 34.00 (863.6) 14.00 (355.6) 4.50 (114.3)
left-right 18 PDG2xG, 30.00 (762.0) 14.00 (355.6) 4.50 (114.3)
■ Insulated/Isolated ground bus is 30 PDG2xM, 36.00 (914.4) 14.00 (355.6) 4.50 (114.3)
available as an option 42 PDG2xP 42.00 (1066.8) 14.00 (355.6) 4.50 (114.3)
225 18 PDG2xG, 30.00 (762.0) 14.00 (355.6) 4.50 (114.3)
■ Aluminum is standard, copper is
30 PDG2xM 36.00 (914.4) 14.00 (355.6) 4.50 (114.3)
available as an option 42 42.00 (1066.8) 14.00 (355.6) 4.50 (114.3)

EATON www.eaton.com
Retrofit Panelboards Design Guide DG014006EN
Pow-R-Line 1RX and 2RX Effective February 2020
Additional Resources 22.6-16

Series Rated Combinations Industry standards and the NEC require

protection of the entire electrical
Code Issues
The fault current contribution of motors
UL permits panelboards to be labeled distribution system from damage due to connected between series rated breakers
with a short-circuit rating of up to short-circuit faults. Article 230.205 of the must be considered. Article 240.86 in the
200,000 A symmetrical where UL listed NEC states that service equipment shall NEC states that for series ratings, the sum
combinations of main and branch circuits be suitable for the short-circuit current of the motor full-load currents cannot
are used. available at its supply terminals. The exceed 1% of the interrupting rating of
entire distribution system is required to the lower rated circuit breaker. The actual
These combinations consist of main meet this standard. Series rated systems
breakers or fusible devices connected fault current contribution from induction
have become an effective method of motors is about four times their full-load
ahead of, and in series with approved meeting these requirements.
conventional devices. current (impedance value of 25%). For
There are three protection systems used example, if the downstream branch
Two arrangements are acceptable and to protect low voltage power distribution circuit breakers used in a series rated
comply with UL standards for panel­ equipment. They are: combination have an interrupting rating
boards. The main circuit breaker may be of 14,000 A rms symmetrical for a 480 V
installed in the panel as a main device ■ Fully rated protection system, the maximum allowable motor
(Figure 22.6-8), or it may be mounted ■ Fully rated, selectively coordinated contribution to that panel from the branch
remote (Figure 22.6-9) from the panel. protection circuit breakers is 140 A (1%). For typical
In either case, the approved main and induction motors, this is equivalent
branch combinations must be followed. ■ Series rated protection
to a total horsepower at 480 V of
These arrangements are acceptable and Fully Rated Protection—Where all approximately 115 horsepower.
are UL listed having been tested in overcurrent devices are rated for the
accordance with UL standards. Requirements of the NEC (NFPA-70) for
full prospective short-circuit current
series ratings may be met by equipment
From the tables on Page 22.6-18 at their line side terminals throughout
marked with ratings adequate for the
through Page 22.6-26, specific the system.
available fault current at the point of
combinations of main devices Selectively Coordinated Protection— application in the electrical system. Eaton
(upstream) and branch devices A fully rated system where the over­ panelboards and switchboards are marked
(downstream), series connected and current device closest to the fault will consistent with NEC Article 240.83.
electrically adjacent in the system, may open first, thus isolating the faulty circuit.
be selected to qualify the assembled Additionally, Article 110.22 requires field
panelboard for the short-circuit ratings Series Rated Protection—A short- marking on equipment where series
shown. Series ratings apply only to those circuit interrupting rating assigned to a ratings are used. This label is supplied
Eaton breakers listed and published. combination of two or more over-current standard with all Eaton panelboards
Do not use “Classified” breakers. protective devices that are connected and switchboards.
in series and in which the rating of the
downstream device(s) in the combination
is less than the series rating.
UL Labeled
Upstream Series ratings are also known in the
Overcurrent industry as integrated ratings, series
Device
combination ratings and series
UL Labeled
connected ratings.
Conventional
Branch
Breakers UL Issues
In a series rated system, all of the
Neutral overcurrent devices in series in the
protective scheme must have been tested
and listed by Underwriters Laboratories
Figure 22.6-8. Main Device for series combination use in the system.
All Eaton’s series ratings are in NEC Required Caution Label
UL Labeled full compliance with all applicable Note: The NEC requires the installer to properly
Remote Upstream requirements of the latest editions
Overcurrent apply and complete this label. Label(s) must be
Device
of UL 489, 891 and 67. placed on all equipment where series ratings
are used.
Main The UL Recognized Component Directory
Lugs (the Yellow Book) contains breaker
manufacturers’ series connected listings.
UL Labeled These are intended ONLY as a guideline
Conventional for use by others who are responsible for
Branch
their own testing, labeling and listing.
Breakers
Therefore, the UL Recognized Component
Neutral Directory cannot be used to interpret
series connected ratings in assembled
equipment. The assembled equipment
Figure 22.6-9. Mounted Remote must also be UL tested for series ratings.

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Retrofit Panelboards Design Guide DG014006EN
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Additional Resources 22.6-17

Fuse Application Considerations Example 1:

Fuses can be used instead of circuit 240 V, three-phase, three-wire, AC system

Prospective Peak Let-through Current in Amperes

breakers in fully rated, selectively with available fault current of 37,438 A.
coordinated and series connected Main (upstream) device is a three-pole,
protection systems. See the tables 460,000 150 A, PDG2xG breaker. The branch
on Page 22.6-24 through Asymmetrical
Prospective (downstream) breakers are two- and
Page 22.6-26 for fuse breaker data Peak Curve three-pole, 20, 30 and 60 A, 240 V, BAB
applied to series connected designs. at 15% breakers.
Power Factor
Don’t apply fuses using the up-over-down B A 1. Go to the 240 V table (Table 22.6-12).
150,000
method, which has been recommended 2000 Ampere
Current-limiter 2. Look down under the 42 kA
by some fuse manufacturers for sizing Fuse Curve
a current-limiting fuse that protects column. This rating is not shown.
a down­stream molded case circuit
3. Look to the columns to the right. This
breaker with a specified rms symmetrical
rating is shown under the 65 kA
interrupting rating. The method can lead
column, and therefore is valid.
to erroneous and unsafe conclusions,
65,000 200,000
and should not be used. Example 2:
Prospective Short-circuit rms Amperes
Example: Assume a specific type of Do Not Use This Method 480Y/277 V, three-phase, four-wire, AC
current-limiting fuse rated 2000 A. Then system with available fault current of
using the figure below: Figure 22.6-10. Old Up-Over-Down Chart 62,097 A. Main (upstream) device is a
three-pole, 250 A breaker. The branch
1. Draw a vertical line from the
(downstream) breakers are two- and
prospective short-circuit current of Applying Series Ratings three-pole, 60, 70 and 100 A FDB breakers.
200 kA to intersect the typical peak The following is provided to use the
let-through curve at “A.” series rating tables on the following 1. Go to the 480Y/277 V table
pages. (Table 22.6-15).
2. Draw a horizontal line left from Point
“A” to intersect the Step 1. Determine the available system 2. Look down under the 65 kA
“prospective peak” curve at “B.” voltage and fault current. column. This rating is not shown.
3. Drop a vertical line from “B” Step 2. Select the appropriate table 3. Look to the columns to the right. This
to intersect the horizontal axis using the system voltage. rating is still not shown.
and read the recommended rating,
65 kA rms, concluding that a Step 3. Use the appropriate “Series 4. Look at the table with the next higher
circuit breaker with a 65 kA Equipment Rating” column equal system voltage (480 V, Table 22.6-16).
interrupting capacity will be to, or greater than, the available
5. This rating is shown under the 65 kA
protected by a specified 2000 A fault current, to determine the
column, and therefore is valid.
current-limiting fuse. allowable combinations of main
(upstream) and branch (down­ Example 3:
This conclusion is wrong when the stream) overcurrent devices.
downstream service has a blow-open Main devices are shown in bold/ 208Y/120 V, three-phase, four-wire, AC
contact assembly, as does a molded case shaded areas. Respective branch system with available fault current of
circuit breaker or similar device. breakers are shown directly 56,438 A. Main (upstream) device is a
below their associated main three-pole, 225 A, PDD2xG breaker. The
The reason: The up-over-down method branch (downstream) breakers are
ignores dynamic impedance (the inherent device. If a rating is not initially
found in a column, first look single-pole, 20 A BAB (120/240 V), and
current-limiting of the down­stream two- and three-pole, 70 A BAB (240 V).
molded case circuit breaker). Such to the columns to the right
impedance is developed directly by the for higher “Series Equipment 1. Go to the 240 V table (Table 22.6-12).
forces of the let-through current created Ratings” within the same table.
when the contacts are blown open. If still not found, use ratings from 2. Look under the 65 kA column. This
table of a higher system voltage rating is shown under the 65 kA
For proper application of current-limiting (higher numbered tables). column, and therefore is valid for the
fuses, always refer to recommendations two- and three-pole (240 V) breakers.
by the manufacturer of the circuit breaker,
which are based on actual test data. 3. Look at the 120/240 V table
(Table 22.6-11) for the single-pole
(120/240 V) rating.
4. Look under the 65 kA column. This
rating is shown under the 65 kA
column, and therefore is valid for the
single-pole (120/240 V) breakers.

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Retrofit Panelboards Design Guide DG014006EN
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Additional Resources 22.6-18

Other Applications of Series Ratings COMBINING SERIES RATINGS is allowed Breakers A, B and C are in series
Series ratings can also be applied under under certain conditions. Main and respectively from main to branch.
the following guidelines: branch series ratings may be combined if: Breakers A and B series rate together,
breakers B and C series rate at the same
Any FULLY RATED breaker can be applied Breakers A, B and C are in series interrupting rating level (or higher), it is
upstream, downstream, or in the middle respectively from main to branch. NOT allowable to use A, B and C together
of, any of the series ratings stated in the Breakers A and B series rate together, at the A-B or B-C series rating. However,
tables. breakers A and C series rate at the same combining multiple overcurrent devices
interrupting rating level (or higher), it is as in this example, can be accomplished if
Any series rating stated in the tables may allowable to use A, B and C together at the all devices in the series combination have
have additional branch breakers of the A-B series rating. been tested together and listed
EXACT SAME TYPE further downstream in triple rating Table 22.6-24.
in that rating. It is improper to combine series ratings
under the following condition: Main devices shown centered at top in
shaded area, respective branch devices
shown directly below.
Table 22.6-11. 120/240 Vac—Breaker/Breaker Series Ratings
Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

Main Series Equipment Rating—kA Symmetrical

Breaker 18 22 42 65 100 200
Maximum
Amperes

  100 PDG2xF QBHW GB, GHB FB-P FCL

BAB QPHW BAB BAB BA
HQP BAB HQP HQP HQP
QBGF HQP QBGF QBGF QBGF
QBGFT QBGF QPGF QPGF QPGF
QBCAF QPGF QBAG QBAG QBAG
QBAG QBHW QBHW QBHW
QBGFT QPHW QPHW QPHW
QPGFT QBHW PDG2xF GB, GHB
QPHW PDG2xG GHQ
QBGFT QBGFT PDG2xF
QPGFT QPGFT PDG2xG
QBCAF PDG2xM
QBGFT
QPGFT
QBCAF
  125 BRX EGH
BAB (15–70 A) GHQ, GHB
BAB (90–100 A)
HQP (15–70 A)
HQP (90–100 A)
  150 PDG3xG*
BAB BAB BAB
HQP HQP HQP
QBGF QBHW GHB
QBAG QPHW PDG2xF
QBGFT PDG2xG (15–150 A)
QBCAF QBHW
QPHW
  200 LA-P
BAB
HQP
QBHW
QPHW
PDG2xF
PDG2xG

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Retrofit Panelboards Design Guide DG014006EN
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Additional Resources 22.6-19

Table 22.6-11. 120/240 Vac—Breaker/Breaker Series Ratings (Continued)

Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

Main Series Equipment Rating—kA Symmetrical

Breaker 18 22 42 65 100 200
Maximum
Amperes

  225 PDD2xF PDD2xG, FDE PDD2xM PDG2xP PDG2xP

BAB BAB PDG2xG QBGF BAB BAB a BAB BAB GB, GHB
HQP HQP BAB QPGF HQP HQP a HQP HQP GHQ
QBGF QBGF HQP QBAG QBHW QBGF QBGF QBHW PDG2xF
QPGF QPGF QBGF QBHGF QPHW QPGF QBAG QPHW PDG2xG
QBHGF QBHGF QPGF QBGFT QBAG QBHW PDG2xM
QPHGF QPHGF QBAG QPGFT QBGFT QPHW EGS
QBHW QBHW QBHW QBHGFT QPGFT QBHGF BAB EGH
QPHW QPHW QBHGF QBCAF QBCAF GB, GHB HQP
QBAG QBAG QBGFT QPHGF GHQ, QBGF
QBGFT QBGFT QPGFT QPHGFT GHQRSP QBAG
QPGFT QPGFT QBHGFT PDG2xF, EGS QBHW
QBHGFT QBHGFT QBCAF PGD2xG QPHW
QPHGFT QPHGFT QBGFT QBHGF
QBCAF QPGFT GHB, PDG2xF
QBCAF PDG2xG
(15–150 A)
QBGFT
EGS
PDG3xG*
(15–150 A)
QBCAF
QBHGFT
QPGF
QPGFT
QPHGF
QPHGFT
  250 JD
BAB (15–70 A) BAB QBGF GB, GHB BAB GB, GHB
HQP (15–70 A) HQP QPGF PDG2xF HQP PDG2xF
QBHW QBHW QBAG PDG2xG QBHW PDG2xG
QPHW QPHW QBGFT EGS QPHW PDG2xM
PDG2xF QPGFT EGS
QBCAF EGH
  400 PDD3xGy PDG3xG* PDG3xM* PDD3xGy KDPDG3xP PDG3xM* PDG3xP* PDG3xP LCL
BAB PDF3xG PDF3xM PDF3xG BAB (15–70 A) PDF3xM QBHW GB, GHB BAB
HQP BAB (15–70 A) BAB (15–70 A) PDG2xF HQP (15–70 A) GB, GHB QPHW PDG2xF HQP
QBGF HQP (15–70 A) HQP (15–70 A) PDG2xF PDG2xG QBGF
QPGF QBHW QBHW PDG2xG PDG2xM QPGF
QBAG QPHW QPHW EGS b EGS QBAF
QBGFT EGH QBAG
QPGFT QBHW
QPHW
GB, GHB
PDG2xF
PDG2xG
PDG2xM
QBGFT
QPGFT
QBCAF
  600
PDG2xF
  800 PDG4xM
PDG2xF
1200 PDG5xM
PDG5xM-C
PDG2xF
PDD2xF
PDD2xG
a Single-pole version is restricted to 15–70 A.
b Not valid with PDF3xM.

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Series Rated Combinations

Table 22.6-12. 240 Vac—Breaker/Breaker—Series Ratings
For single- and two-pole 120/240V rated breakers (BA, BAB, HQP, QBHW, QPHW), see Table 22.6-11.
Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

Main Series Equipment Rating—kA Symmetrical

Breaker 18 22 42 65 100 200
Maximum
Amperes

100 PDG2xF QBHW_H GB, GHB FB-P FCL

BAB_H QPHW_H BAB_H BAB_H BAB_H
HQP_H BAB_H HQP_H HQP_H HQP_H
HQP_H QBHW_H PDG2xF QBHW_H
QPHW_H PDG2xG QPHW_H
GB, GHB
PDG2xF
PDG2xG
PDG3xG*
PDG2xM*
125 EGH
GHB
150 FDB
BAB_H
HQP_H
200 LA-P
BAB_H
HQP_H
QBHW_H
QPHW_H
PDG2xF
PDG2xG
JDB
225 PDD2xF PDD2xG PDG2xG, PDG3xG* PDD2xM, EDC PDG2xM PDG2xP PDG2xP
HQP_H HQP_H BAB_H BAB_H BAB_H BAB_H BAB_H GB, GHB
BAB_H BAB_H HQP_H HQP_H HQP_H HQP_H HQP_H PDG2xF
QBHW QBHW QBHW_H QBHW_H QBHW_H QBHW_H PDG2xG
QPHW QPHW QPHW_H QPHW_H QPHW_H PDG3xG*
CHH PDG2xF a GB, GHB PDG2xM
PDG2xF
BAB_H PDG2xG
PDG3xG*
250 JDB
BAB_H (15–70A) BAB_H (15–70 A) GB, GHB BAB_H GB, GHB
HQP_H (15–70 A) HQP_H (15–70 A) PDG2xF HQP_H PDG2xF
QBHW_H QBHW_H PDG2xG QBHW_H PDG2xG
QPHW_H QPHW_H PDD2xG QPHW_H PDG3xG*
PDG2xF JDB PDG2xM,
EGS PDD2xF
PDD2xG
PDD2xM
JDB
EGS, EGH
a Valid on two- and three-pole breaker only. Not valid for single-pole.

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Table 22.6-13. 240 Vac—Breaker/Breaker—Series Ratings

For single- and two-pole 120/240 V rated breakers (BA, BAB, HQP, QBHW, QPHW), see Table 22.6-11.
Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

Main Series Equipment Rating—kA Symmetrical

Breaker 65 100 200
Maximum
Amperes

400 PDD3xGy, PDG3xG* PDG3xM*, PDF3xM PDG3xP* PDG3xP LCL

PDF3xG QBHW_H a QBHW_H GB, GHB BAB_H
BAB_H QPHW_H a QPHW_H PDG2xF HQP_H
HQP_H GB, GHB PDG2xG, PDG3xG* QBHW_H
QBHW_H PDG2xF PDG2xM, PDD2xF QPHW_H
QPHW_H PDG3xG*, PDG2xG PDD2xG, PDD2xM GB, GHB
PDG2xF PDD2xF, PDD2xG JDB PDG2xF
JDB PDG3xG* PDG2xG, PDG2xM
PDD3xGy, PDG3xG* PDD3xGy PDD2xF, PDD2xG
EGS b PDG3xM* PDG3xG*
PDD2xM, JDB
PDD3xGy, PDG3xG*
PDG3xM
500 NB-P
JDB
PDG3xG*, PDD3xGy
PDF3xG
600 HLDB
GB a, GHB a PDD2xF, PDD2xG
PDG2xG, PDD2xF PDD2xM
PDD2xG, PDG2xF
JDB
PDG3xG*, PDD3xGy,
PDF3xG, LDB
800 NB-P PDG4xM
PDG3xG*, PDD3xGy PDG2xF
PDG2xG
1200 PDG5xM PDG5xP
PDD2xF, PDD2xG PDD2xF, PDD2xG
PDG2xF PDD2xM
2500
PDD2xF, PDD2xG PDD2xF, PDD2xG
PDD2xM
a Valid on two- and three-pole breakers only. Not valid for single-pole.
b Not valid with PDF3xM.

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Main devices shown in shaded area, respective branch devices shown directly below.
Table 22.6-14. 277 Vac—Breaker/Breaker Series Ratings
Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.
All ratings in this table apply to single-pole branch breakers only. For two- and three-pole branch breakers, see other tables.

Main Series Equipment Rating—kA Symmetrical

Breaker 22 25 35 65 100 150
Maximum
Amperes

100 FCL
GHB
GHQ, GHQRSP
PDG2xF
PDG2xG
PDG2xM
125 EGS EGH
GHQ, GHB GHQ, GHB
225 PDG2xG, PDG3xG* PDG2xM PDG2xP
GHB GHB GHB
GHQ GHQRSP b PDG2xF
GHQRSP a GHBGFEP b PDG2xG
GHBGFEP a GHQ PDG2xM
PDG2xF
PDG2xG
250 JD, JDB JD, JDB HJD LCL JDC
GHB GHB (15–50 A) GHB (15–50 A) PDG2xP GHB
GHBGFEP c PDG2xF PDG2xF
PDG2xG PDG2xG
GHBGFEP PDG2xM
400 PDG3xG* PDG3xM* PDG3xG* PDG3xM*, PDF3xM PDG3xP* LCL
PDF3xG PDF3xM PDF3xG GHB GHB GHB
GHB GHB GHB PDG2xF PDG2xF PDG2xF
PDG2xF PDG2xG PDG2xG PDG2xG
PDG2xG GHQ e PDG2xM PDG2xM
GHQ d
a Not valid with PDG3xG*.
b Not valid with HFDE.
c Not valid with JDB.
d Not valid with PDF3xG.
e Not valid with PDF3xM.

Table 22.6-15. 480Y/277 Vac—Breaker/Breaker Series Ratings

Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.
All ratings in this table apply to two- and three-pole branch breakers only. For single-pole branch breakers, see Table 22.6-14.

Main Series Equipment Rating—kA Symmetrical

Breaker 22 25 35 65 100 150
Maximum
Amperes

100 FCL
GHB, GHQRSP
125 EGS EGH
GHB GHB
225 PDG2xG, PDG3xG* PDG2xM PDG2xP
GHB, GHQRSP f GHB, GHQRSP g GHB
250 JDB JDB
GHB GHB (15–50 A) GHB (15–50 A) GHB
400 PDG3xG* PDG3xM*, PDF3xM PDG3xG* PDG3xM*, PDF3xM PDG3xP* LCL
PDF3xG GHB PDF3xG GHB (15–50 A) GHB (15–50 A) GHB
GHB GHB (15–50 A)
f Not valid with PDG3xG*.
g Not valid with HFDE.

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Main devices shown in shaded area, respective branch devices shown directly below.
Table 22.6-16. 480 Vac—Breaker/Breaker Series Ratings
Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.
All ratings in this table apply to two- and three-pole branch breakers only. Not valid for single-pole branch breakers.

Main Series Equipment Rating—kA Symmetrical

Breaker 25 35 65 100 150
Maximum
Amperes

100 FB-P FCL

PDG2xF PDG2xF
PDG2xG PDG2xG, PDG3xG*
PDG2xM PDG2xM
200 LA-P
PDG2xF
PDG2xG
PDG2xM
JDB
225 PDG2xG, PDG3xM, PDG2xM* PDG2xP
PDG2xF PDG2xF PDG2xF, EGS, EGH
PDG2xG, PDG3xG PDG2xG, PDG3xG*
EGS a PDG2xM
250 JDB LCL
PDG2xF PDG2xF PDG2xF, EGS, EGH PDG3xG*
PDG2xG PDG2xG, PDG3xG*
PDG3xG* PDG2xM
JDB JDB
EGS
400 PDG3xG* PDG3xM* PDG3xP* LA-P LCL
PDG2xF PDG2xF PDG2xF, EGS, EGH JDB PDG2xF
PDG2xG, PDG3xG* PDG2xG, PDG3xG* PDG3xG* PDG2xG, PDG3xG*
JDB PDG2xM PDG3xM* PDG2xM
PDG3xG* JDB PDG2xP
EGS PDG3xG* JDB
PDG3xM* PDG3xG*
PDG3xM*
500 NB-P
JDB
PDG3xG*
PDG3xM*
600 LDB HLDB
CLD PDG2xG, PDG3xG*
JDB JDB
PDG3xG*
LDB
a Not valid with HFDE.

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Table 22.6-17. 600 Vac—Breaker/Breaker Series Ratings

Main fuse class shown centered at top, in shaded area. Respective branch devices shown directly below.
All ratings in this table apply to two- and three-pole branch breakers only. Not valid for single-pole branch breakers.

Main Series Equipment Rating—kA Symmetrical

Breaker 18 25 35 42 50 100
Maximum
Amperes

225 PDG2xG PDG2xM PDG2xP

PDG2xG PDG2xG, PDG3xG*
PDG2xM
250 JDB LCL
PDG2xG PDG2xG PDG3xG*
JDB PDG2xM
JDB
400 PDG3xG* PDG3xM*, PDF3xM PDG3xP* PDG3xP* LCL
PDF3xG PDG2xG, PDG3xG* PDG2xG, PDG3xG* JDB PDG2xG, PDG3xG*
PDG2xG PDG2xM PDG2xM PDG3xG* PDG2xM
JDB JDB PDG3xM* PDG2xP
JDB
PDG3xG*
PDG3xM*
PDG3xP*
600 LDB HLDB
CLD PDG3xG*
PDG2xG LDB
JDB

Table 22.6-18. 120/240 Vac—Fuse/Breaker Series Ratings

Main fuse class shown centered at top, in shaded area. Respective branch devices shown directly below.

Main Series Equipment Rating—kA Symmetrical

Fuse 100 200
Maximum
Amperes

100 R
BAB
HQP
QBHW
QPHW
GB
GHB
200 R J T
GB BAB BAB
GHB HQP HQP
QBHW QBHW
QPHW QPHW
400 J T J T
BAB BAB GB GB
HQP HQP GHB GHB
QBHW QBHW
QPHW QPHW

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Main devices shown in shaded area, respective branch devices shown directly below.
Table 22.6-19. 240 Vac—Fuse/Breaker Series Ratings
For single- and two-pole 120/240 V rated breakers (BA, BAB, HQP, QBHW, QPHW), see Table 22.0-14.
Main fuse class shown centered at top, in shaded area. Respective branch devices shown directly below.

Main Series Equipment Rating—kA Symmetrical

Fuse 100 200
Maximum
Amperes

100 R
BAB_H
HQP_H
QBHW_H
QPHW_H
GB
GHB
200 R J T R
GB BAB_H BAB_H GB a
GHB HQP_H HQP_H GHB a
QBHW_H QBHW_H
QPHW_H QPHW_H
400 J T J T
BAB_H BAB_H GB GB
HQP_H HQP_H GHB GHB
QBHW_H QBHW_H
QPHW_H QPHW_H
600 L
PDG2xF
PDG2xG, PDG3xG*
PDD2xG
JDB
PDD3xGy, PDG3xG*

a Valid on two- and three-pole breakers only. See Table 22.6-18 on Page 22.1-24 for single-pole.

Table 22.6-20. 277 Vac Fuse/Breaker Series Ratings

Main fuse class are shown centered at top, in shaded area. Respective branch devices shown directly below. All ratings
in this table apply to single-pole branch breakers only. For two- and three-pole branch breakers, consult other tables.

Main Series Equipment Rating—kA Symmetrical

Fuse 65 100 200
Maximum
Amperes

100 J T R
GHQ GHQ GHB
GHQRSP GHQRSP
200 J T J T R
GHQ GHQ PDG2xF PDG2xF GHB
GHQRSP GHQRSP PDG2xG PDG2xG
PDG2xM PDG2xM
400 J T
GHB GHB

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Table 22.6-21. 480Y/277 Vac—Fuse/Breaker Series Ratings Table 22.6-23. 600 Vac—Fuse/Breaker Series Ratings
Main fuse class shown centered at top, in shaded area. Main fuse class shown centered at top, in shaded area.
Respective branch devices shown directly below. All ratings Respective branch devices shown directly below. All ratings
in this table apply to two- and three-pole branch breakers only. in this table apply to two- and three-pole branch breakers only.
For single-pole branch breakers, see Table 22.6-20. Not valid for single-pole branch breakers.

Main Series Equipment Rating—kA Symmetrical Main Series Equipment Rating—kA Symmetrical
Fuse 65 100 200 Fuse 100 200
Maximum Maximum
Amperes Amperes

100 R 100 R
GHB PDG2xG
200 R PDG3xG*
PDG2xM
GHB PDG2xP
400 J T 200 J T R
GHB GHB PDG2xG PDG2xM PDG3xG*
600 J T PDG3xG* PDG2xP PDG2xM
PDG2xM
PDG2xF GHB
PDG2xP
PDG2xG PDG2xF
PDG2xM PDG3xG* 400 J T R
PDG2xP PDG2xG PDG3xG*
PDG3xG* PDG3xM*
PDG2xM PDG3xP*
PDG2xP
600 J T

Table 22.6-22. 480 Vac—Fuse/Breaker Series Ratings PDG3xG PDG3xG*

PDG3xM PDG3xM*
Main fuse class shown centered at top, in shaded area. PDG3xP PDG3xP*
Respective branch devices shown directly below. All ratings
in this table apply to two- and three-pole branch breakers only. Table 22.6-24. Triple Series Ratings
Not valid for single-pole branch breakers.
Main Fuse Tenant Main Branch System Short-
Class and Type Type Voltage Circuit
Main Series Equipment Rating—kA Symmetrical
Maximum Series
Fuse 100 200 Amperes Rating
Maximum
(kA, Sym.)
Amperes
L-6000 PDD3xGy, K, GDHB, PDG2xF a 240 100
100 R
PDG3xGBGB
PDG2xF
L-6000 PDD3xGy, K, GDHBB 120/240 100
200 J T PDG3xGGB
PDG2xF PDG2xF L-6000 PDD3xGy FD a, FDB 240 100
PDG2xG PDG2xG PDG3xPG
PDG2xM PDG2xM
L-6000 PDD3xGy 240 100
PDG2xP PDG2xP
PDG3xG*
L-6000 JDB GB, GHB 240 100
L-6000 JDB GB, GHB 120/240 100
L-6000 PDG2xG GB, GHB 240 100
L-6000 PDG2xG GB, GHB 120/240 100
L-6000 PDG2xG BAB_H, HQP_H 240 100
QBHW_H, QPHW_H
L-6000 PDG2xG BA, BAB 120/240 100
HQP (15–70 A)
L-6000 PDG2xF BAB_H, HQP_H 240 100
L-6000 PDG2xF BA, BAB, HQP 120/240 100
a Valid on two- and three-pole breakers only. Not valid for single-pole.

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Panelboard Selection Guide

Table 22.6-25. Product Types

Type PRL1X Fusible Lighting Type PRL1X-LX Type PRL2X Fusible Lighting Type PRL2X-LX
Panelboard PRL1XF Column Type Panelboard PRL2XF Column Type

Bolt-on or plug-on 240 Vac maximum Bolt-on circuit breakers Bolt-on or plug-on 240 and 480Y/277 Vac Bolt-on or plug-on
circuit breakers 240 Vac maximum circuit breakers 240 maximum circuit breakers 240
240 Vac maximum or 480Y/277 Vac or 480Y/277 Vac
125/250 Vdc maximum 125/250 Vdc maximum
Main lugs only Main lugs only Main lugs only Main lugs only Main lugs only Main lugs only
600 A maximum 400 A maximum 225 A maximum 600 A maximum 400 A maximum 225 A maximum
Main circuit breaker Main circuit breaker Main circuit breaker Main circuit breaker
600 A maximum 225 A maximum 600 A maximum 225 A maximum
Branch circuit breakers Branch overcurrent Branch circuit Branch circuit breakers Branch overcurrent Branch circuit breakers
100 A maximum protective devices breakers 100 A maximum protective devices 100 A maximum
Single, two- and 30 A maximum, 100 A maximum Single-, two- and 30 A maximum, Single-, two-, and
three-pole Single-, two- and Single-, two- and three-pole Single-, two- and three-pole
three-pole utilizing three-pole three-pole utilizing
Class CC fuses Class CC fuses

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Table 22.6-25. Product Types (Continued)

Retrofit Panelboard Type PRL3X Type PRL3E Type PRL4X

PRL-1RX and PRL-2RX

Bolt-on or plug-on circuit breakers 240 Bolt-on circuit breakers 240, 480 or 600 Bolt-on circuit breakers Circuit breakers or fusible switches;
or 480Y/277 Vac Vac; 250 Vdc maximum 240 Vac maximum 240, 480 or 600 Vac;
600 Vdc maximum
Main lugs only Main lugs only Main lugs only Main lugs only
225 A maximum 800 A maximum 600 A maximum 1200 A maximum
Main circuit breaker
1200 A maximum
Main circuit breaker Main circuit breaker Main circuit breaker Main fusible switch
225 A maximum 600 A maximum 600 A maximum 1200 A maximum
Branch circuit breakers
1200 A maximum,
Single-, two- and three-pole
Branch circuit breakers Branch circuit breakers Branch circuit breakers Branch fusible switches
100 A maximum 225 A maximum 125 A maximum 1200 A maximum,
Single-, two- and three-pole Single-, two- and three-pole Single-, two- and three-pole Single-, two- and three-pole

Table 22.6-25. Product Types (Continued)

Pow-R-Command Multipoint Metering Distribution Panelboard Elevator Control Panelboard

Bolt-on or plug-on circuit breakers Bolt-on circuit breakers Bolt-on fusible switches
240 or 480Y/277 Vac 600 Vac or 600 Vdc maximum 600 Vac maximum
Main lugs only Type PRL4X panelboard specially formatted to Controls for up to four elevators
400 A maximum provide a compact and flexible multipoint metering in a single panelboard
Main circuit breaker solution for 250–1200 A applications Main lugs only
400 A maximum 800 A maximum
Branch circuit breakers Branch overcurrent devices
225 A maximum 15–200 A fusible switches with
Single-, two- and three-pole Class J fuse clips maximum
Single- and two-pole remote operated circuit
breakers
Integral load switching and dimming controls Designed to meet specific sections various codes
impacting elevators

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Table 22.6-26. Panelboard Selection Guide

Panelboard Page Device Maximum Maximum Main Branch Circuits Short-Circuit Current Ratings
Type Reference Type Voltage Rating Rating, Amperes Ampere Range rms Symmetrical Amperes, AC
AC DC Main Lugs Main Device Fully Rated Series Rated
Only (kA) (kA)

Pow-R-Line 1X a 22.1-1 Breaker 240 —   600   600 15–100   10–22 22–200

Pow-R-Line 2X a 22.2-1 Breaker 240 250   600   600 15–100   65 65–200
480Y/277   400 b   400 b 15–100   14 22–150
Pow-R-Line 3X a 22.3-1 Breaker 240 250   800   600 15–225   10–200 22–200
480   800   600 15–225   14–100 22–150
600   800   600 15–225   14–35 —
Pow-R-Line 3E a 22.3-5 Breaker 480 250   600   600 15–125   35–65 35–100
Pow-R-Line 4X a 22.4-1 Breaker 240 600 1200 1200 15–1200   10–200 22–200
480 1200 1200 15–1200   14–200 22–150
600 1200 1200 15–1200   14–200 —
Pow-R-Line 4F a 22.4-8 Fusible switch 240 250 1200 1200 30–1200 100–200 —
600 1200 1200 30–1200 100–200 —
Pow-R-Line 4DX 22.4-11 Breaker 240 — 1200 1200 20–600 Drawout 100 —
480 — 1200 1200 15–1200 Fixed   65 —
Pow-R-Line 1XF 22.6-5 Fusible switch 240 —   400   400 15–30   200 200
Pow-R-Line 2XF 22.6-7 Fusible switch 480Y/277 —   400   400 15–30   200 200
Pow-R-Line 1X-LX 22.5-1 Breaker 240 —   225   225 15-30   10–22 18–200
Pow-R-Line 2X-LX 22.5-4 Breaker 480Y/277 125/250   225   225 15–30   14 25–150
Pow-R-Line 1RX 22.6-1 Breaker 240 —   225   225 15–100   10–22 22–100
Pow-R-Line 2RX 22.6-3 Breaker 480Y/277 —   225   225 15–100   14 22–150
Elevator control 22.6-11 Fusible 480 —   800   800 15–200   10–200 14–100
panelboard a
a Available with surge protective device (SPD) and metering.
b Amperage rating for DC voltage.

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