Data sheet 3UG4631-1AA30

Digital monitoring relay Voltage monitoring, 22.5 mm from 0.1-60 V AC/DC

0vershoot and undershoot Supply voltage: 24 V AC/DC 50 to 60 Hz DC
and AC without galvanic isolation to measuring circuit Noise pulses delay
0.1 to 20 s Hysteresis 0.1 to 30 V 1 change-over contact with or without
fault buffer screw terminal Successor product for 3UG3531-1AC..

product brand name SIRIUS

product designation Voltage monitoring relay with digital setting
product type designation 3UG4
General technical data
product function Voltage monitoring relay
design of the display LCD
insulation voltage for overvoltage category III according to
IEC 60664
● with degree of pollution 3 rated value 690 V
type of voltage
● for monitoring AC/DC
● of the control supply voltage AC/DC
surge voltage resistance rated value 4 kV
maximum permissible voltage for safe isolation
● between auxiliary and auxiliary circuit 300 V
● between control and auxiliary circuit 300 V
protection class IP IP20
shock resistance acc. to IEC 60068-2-27 sinusoidal half-wave 15g / 11 ms
vibration resistance acc. to IEC 60068-2-6 1 ... 6 Hz: 15 mm, 6 ... 500 Hz: 2g
mechanical service life (switching cycles) typical 10 000 000
electrical endurance (switching cycles) at AC-15 at 230 V 100 000
typical
thermal current of the switching element with 5A
contacts maximum
reference code acc. to IEC 81346-2 K
relative repeat accuracy 1%
Product Function
product function
● undervoltage detection Yes
● overvoltage detection Yes
● overvoltage detection 1 phase Yes
● overvoltage detection 3 phase No
● overvoltage detection DC Yes
● undervoltage detection 1 phase Yes
● undervoltage detection 3 phases No
● undervoltage detection DC Yes
● voltage window recognition 1 phase Yes
● voltage window recognition 3 phase No

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 ● voltage window recognition DC Yes
● adjustable open/closed-circuit current principle Yes
● external reset Yes
● auto-RESET Yes
Control circuit/ Control
control supply voltage at AC
● at 50 Hz rated value 24 ... 24 V
● at 60 Hz rated value 24 ... 24 V
control supply voltage at DC
● rated value 24 ... 24 V
operating range factor control supply voltage rated
value at DC
● initial value 0.85
● full-scale value 1.15
operating range factor control supply voltage rated
value at AC at 50 Hz
● initial value 0.85
● full-scale value 1.15
operating range factor control supply voltage rated
value at AC at 60 Hz
● initial value 0.85
● full-scale value 1.15
Measuring circuit
measurable line frequency 40 ... 500 Hz
measurable voltage at DC 0.1 ... 60 V
adjustable response delay time
● with lower or upper limit violation 0.1 ... 20 s
accuracy of digital display +/-1 digit
relative temperature-related measurement deviation 0.1 %
Precision
relative metering precision 5%
Auxiliary circuit
number of NC contacts delayed switching 0
number of NO contacts delayed switching 0
number of CO contacts delayed switching 1
operating frequency with 3RT2 contactor maximum 5 000 1/h
Main circuit
number of poles for main current circuit 1
Outputs
operational current at 17 V minimum 5 mA
continuous current of the DIAZED fuse link of the 4A
output relay
Electromagnetic compatibility
conducted interference
● due to burst acc. to IEC 61000-4-4 2 kV
● due to conductor-earth surge acc. to IEC 61000-4-5 2 kV
● due to conductor-conductor surge acc. to IEC 1 kV
61000-4-5
field-based interference acc. to IEC 61000-4-3 10 V/m
electrostatic discharge acc. to IEC 61000-4-2 6 kV contact discharge / 8 kV air discharge
Galvanic isolation
design of the electrical isolation Protective separation
galvanic isolation
● between input and output Yes
● between the outputs Yes
● between the voltage supply and other circuits No
Connections/ Terminals
product function removable terminal for auxiliary and Yes

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 control circuit
type of electrical connection screw-type terminals
type of connectable conductor cross-sections
● solid 1x (0.5 ... 4 mm2), 2x (0.5 ... 2.5 mm2)
● finely stranded with core end processing 1x (0.5 ... 2.5 mm2), 2x (0.5 ... 1.5 mm2)
● at AWG cables solid 2x (20 ... 14)
● at AWG cables stranded 2x (20 ... 14)
● connectable conductor cross-section solid 0.5 ... 4 mm²
● connectable conductor cross-section finely stranded 0.5 ... 2.5 mm²
with core end processing
● AWG number as coded connectable conductor 20 ... 14
cross section solid
● AWG number as coded connectable conductor 20 ... 14
cross section stranded
● tightening torque with screw-type terminals 1.2 ... 0.8 N·m
Installation/ mounting/ dimensions
mounting position any
fastening method snap-on mounting
height 92 mm
width 22.5 mm
depth 91 mm
required spacing
● with side-by-side mounting
— forwards 0 mm
— backwards 0 mm
— upwards 0 mm
— downwards 0 mm
— at the side 0 mm
● for grounded parts
— forwards 0 mm
— backwards 0 mm
— upwards 0 mm
— at the side 0 mm
— downwards 0 mm
● for live parts
— forwards 0 mm
— backwards 0 mm
— upwards 0 mm
— at the side 0 mm
Ambient conditions
installation altitude at height above sea level maximum 2 000 m
● ambient temperature during operation -25 ... +60 °C
● ambient temperature during storage -40 ... +85 °C
● ambient temperature during transport -40 ... +85 °C
Certificates/ approvals
General Product Approval EMC Declaration of Conformity Test Certificates

Miscellaneous Type Test

Certificates/Test
Report

Test Certificates Marine / Shipping other Railway

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 Special Test Confirmation Vibration and Shock
Certificate

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
https://www.siemens.com/ic10
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3UG4631-1AA30
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3UG4631-1AA30
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3UG4631-1AA30
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3UG4631-1AA30&lang=en
Characteristic: Derating
https://support.industry.siemens.com/cs/ww/en/ps/3UG4631-1AA30/manual

last modified: 5/15/2020

3UG46311AA30 Subject to change without notice

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