High-voltage

hybrid switchgear

High Voltage Products

PASS ­– Plug
And Switch
System
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Pioneer and technology leader

Hitachi Energy is a pioneering technology leader that works closely with utility, industry and
infrastructure customers to improve their performances while lowering environmental
impact. Hitachi Energy operates in more than 90 countries.

Hitachi Energy is a global technology leader with a combined The PASS product family covers voltages from 72.5 kV to
heritage of almost 250 years, employing around 38,000 people 420 kV with breaking current capability ranging from 31.5 to
in over 90 countries. Headquartered in Switzerland, the busi- 63 kA. PASS encloses all functions of a complete switchgear
ness serves utility, industry and infrastructure customers across bay in a single module.
the value chain and emerging areas like sustainable mobility,
smart cities, energy storage and data centers. With a proven The hybrid design combines gas-insulated switchgear functions
track record, global footprint and unparalleled installed base, with an air-insulated busbar to connect with other equipment in
Hitachi Energy balances social, environmental and economic the substation. The switchgear is single-phase encapsulated
values. It is committed to powering good for a sustainable en- and provides circuit breaker, disconnector, earthing switch and
ergy future, with pioneering and digital technologies as the part- current/voltage transformer functions. It's designed for outdoor
ner of choice for enabling a stronger, smarter and greener grid. installation and provides significant space savings compared to
traditional AIS equipment.
In 1999, Hitachi Energy launched the Plug and Switch System
(PASS) switchgear, a compact hybrid switchgear fully assem- With more than 10,000 bays, PASS is the most widely installed
bled and high-voltage tested in factory for rapid installation and hybrid switchgear worldwide, protecting networks in many
energization. different climates and applications.
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1999
Launch of the PASS M0 – 145 kV
and 170 kV

2003
Launch of the 72.5 kV PASS M00

2007
Launch of the 245 kV PASS M0S

2008
Release issue of the 62271-205
standards for hybrid modules –
International Electrotechnical
Commission (IEC)
2010
Launch of the PASS for
H-configured substations

2013
Launch of the 420 kV PASS M0S

2015
Launch of the PASS for digital
substations

2020
Launch of the PASS M00 – Wind for
offshore wind turbine applications

More than 10,000 installed PASS

bays worldwide
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High-voltage hybrid switchgear

Compact switchgear is fully assembled and high-voltage tested in the factory for rapid
installation and energization.

Bushings
Composite bushings are
used exclusively, as they
are explosion-proof and
resistant to pollution.

Cable termination
Combined disconnector/
PASS can make use of
earthing switch
cables instead of bushings.
The gas-insulated combined
DS/ES makes interlocking
simple and intrinsically safe.
Circuit-breaker
The circuit-breaker is a
single-break interrupter
that operates by means of
the self-blast principle.

Circuit-breaker drive
PASS is equipped with a
spring-spring or spring-hy-
draulic operating mechanism,
providing stable M2 mechan-
ical endurance performance.
Current transformer
PASS is equipped with
current transformers. Sev-
eral combinations of cores
for protection and measure-
ment purposes with differ-
ent loads are available.

Voltage transformer
PASS is equipped with
Local control cubicle (LCC) conventional gas-insulated
Metallic case hosting all voltage transformers.
the auxiliary electrical units
required for local command
input and signaling purposes.
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Our offering

PASS M00 – 72.5 to 100 kV

Up to 2500 A, 31.5 kA

PASS M00 is perfectly suited for distribution grids, renewable integration and consumer applica-
tions such as data centers, mining and rail.

PASS M0 – 145 to 170 kV

Up to 3150 A, 63 kA

The PASS M0 is designed to reduce substation footprints and life cycle costs. Its design has
been validated in 100 countries, covering all climate regions and numerous applications.

PASS M0S 245 kV

Up to 4000 A, 50 kA

The PASS M0S provides outstanding compactness for transmission-level substations. It is

based on components commonly used across our switchgear portfolio.

PASS M0S 420 kV

Up to 5000 A, 63 kA

High performance ratings in a compact design, pre-assembled and factory-tested. Rotational

bushings allow for keeping them assembled for transport and thus overcome the need for
high-voltage testing on site that performs the rotation of bushings from service to a transport-
able position. Its robust sealing interface ensures the asset's tightness during and after rotations.
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Customer benefits and

technical ratings

Space-saving design: High level of flexibility:

Each PASS module is equivalent to a complete Numerous configurations, like single busbar, dou-
switchgear bay, with function integration that leads ble busbar, double-circuit breaker and H-config-
to a footprint reduction of up to 60 percent ured switchgear, are available together with other
compared to traditional solutions and minimizes customized configurations, allowing the best solu-
costs for civil works. tion for each specific customer’s needs.

Customer benefits

Fast erection and commissioning: High reliability and high substation availability:
Fully assembled and tested at the factory and Per design, all critical functions are protected in
directly transported to the customer's site without gas-insulated housings, eliminating the adverse
the need to disassemble any key component, aging effects of the surrounding environment.
which saves time and costs for on-site high-volt-
age tests.

Technical ratings – PASS M00 M0 M0 63 kA M0S 245 kV M0S 420 kV

Rated voltage kV 72.5 100 145 170 145 245 420
Rated short-duration power frequency withstand voltage kV 140 185 275 375 275 460 650
Rated lightning impluse withstand voltage kV 350 450 650 750 650 1050 1425
Rated switching impluse withstand voltage kV - - - - - - 1050
Rated frequency Hz 50/60 50 50/60 50 50/60 50/60 50/60
Rated continuous current A 2000/2500 3150 3150 4000 5000
Rated short-time withstand current kA 31.5 20 40 63 50 63
Rated peak withstand current kA 80 50 104 164 125 164
Rated short circuit duration s 3 3 1 3 3
Circuit-breaker operation TPO TPO/SPO SPO SPO SPO
Ambient temperature (min./max.) °C -30/+40* -30/+40* -25/+40* -30/+40* -30/+40* -30/+40*

*extended range available

Terms : SPO Single-Pole Operated - TPO Three-Pole Operated
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Digital solutions
Digital transformation is the key to meeting the energy industry’s most urgent challenges,
such as aging infrastructure and increasing energy demand. In addition, the rise in
renewable power generation has also impacted grid reliability and stability. With these
challenges in consideration, digitalization helps the industry modernize its assets.

Hitachi Energy is continuously developing its digital switch- Boost productivity

ing and components portfoli, which brings significant value Remote access to critical data optimizes site
to high-voltage switchgear applications. Digitally-enabled management, while remote assistance improves
switchgear provides higher safety and reliability with a the first-time fix, rate ensuring the highest
reduced footprint and lowers life cycle costs compared quality of our products. Augmented reality en-
to traditional switchgear. As a pioneering technology ables a real product experience with ease.
leader, we understand the importance of data-driven in-
novation to advance a sustainable energy future for all.
Deliver highest quality
Enables seamless end-to-end traceability from
Improve safety suppliers and production facilities to customers
Remote solutions and services reduce the need installation sites, including the entire product
to perform on-site inspections and digital signals life cycle of services and upgrades. Digital ca-
decrease the risk of electrical hazards at the site. pabilities provide quick resolution and prevent
potential impact across the installed base.

Enhance reliability
Digitalization reduces equipment and grid stress, Enhance sustainability
operational costs and extends asset lifetime. The carbon footprint is reduced through less
It also enables redundant communication travels to the site. Data access and early warnings
and control measures to ensure the highest reduce potential losses of SF6 gas. Digitali-
reliability for mission-critical substations. zation reduces physical equipment changes,
conventional materials and failures, thereby
extending asset lifetime and saving resources.
Ensure availability
Customers are provided with a thorough
assessment and critical data needed to
resolve issues quickly and avoid unplanned
outages, as well as early detection of prob-
lems, thus reducing major failures.
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The digitally-enabled switchgear

Modular Switchgear Monitoring (MSM): Protection, control and merging unit:
The MSM is an add-on system to supervise the Bay protection functions can be provided in
module status. PASS module main parameters, the local control cubicle (LCC), integrated into a
such as gas and switching element conditions, high-performance protection and control intelligent
are continuously measured and displayed in a electronic device (IED). Communication is based on
consolidated view, facilitating instant detection IEC 61850 standards. Merging units are provided to
of critical situations and improving station con- digitalize conventional instrument transformers and
dition awareness. MSM operates independently binary input and output, providing intelligent analog/
from existing control and protection devices and digital conversion to the IEC 61850 process bus.
provides the base layer for a condition-based
and predictive maintenance strategy.

Point-on-wave controller: Remote support/service:

Switchsync PWC600 is designed for Hitachi Energy’s Hitachi Energy offers remote factory acceptance
single-pole operated circuit breakers, controlling tests as well as remote support. It transforms the
each pole to close and/or open at the point on the way we deliver services for high-voltage products
wave that is optimal for the switched load, the circuit by providing real-time support and access to exper-
breaker and to improve power quality levels. It pro- tise and resources from anywhere in the world.
vides controlled switching applications for capacitor
banks, power cables, reactors and transformers.

Station level
Substation automation
solutions with IEC 61850 Remote control
station bus

IEC 61850
station bus
Bay level
LCC includes Relion®
series control and
protection IED with
IEC 61850 and PWC600
for station and process bus. MSM PWC600 Relion ® series IED

process bus
Process level
SAM600
Current and voltage signals
may be conveyed to
process bus providing
sampled analog values
to protection and
metering devices. PASS Sensors Sensors Current Voltage
transformer transformer
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For all types of applications

UTILITIES
PASS hybrid switchgear is the perfect
solution for different types of applications as
ENERGY INTENSIVE INDUSTRIES
it provides reliable performance by combining
GIS and AIS technology advantages.
Moreover, it has a flexible and compact design with simple
RENEWABLE ENERGY SEGMENT installation and commissioning and virtually no maintenance
for its entire life in service.

PASS hybrid switchgear is the product of choice for modern

DATA CENTERS customers looking for high reliability within a modular and
compact design.

RAILWAY APPLICATIONS
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Commitment
We are advancing the world’s energy system to be more sustainable,
flexible and secure. As the pioneering technology leader, we collaborate with
customers and partners to enable a sustainable energy future.

Quality assurance Sustainability

Hitachi Energy is committed to providing the best products and We are advancing the world’s energy system to be more
services. Our products comply with or exceed the latest sustainable, flexible and secure. As the pioneering technology
international standards. In addition to type tests in independent leader, we collaborate with customers and partners to enable a
laboratories, our certified design and manufacturing quality sustainable energy future – for today’s generations and those to
assurance processes guarantee the highest quality. come.

Our products are type-tested according to international We have placed sustainability at the heart of our purpose and
standards: made a promise to advance a sustainable energy future for all.
• IEC
• ANSI/IEEE Sustainability 2030 is our new strategic plan for sustainability,
• GOST summarizing our key commitments to act and drive business in
a sustainable way.
Hitachi Energy PASS operating units are certified according to
the following standards: Through Sustainability 2030, we are advancing four key areas:
• ISO 900 – Quality
• ISO 14001 – Environment
Planet
• ISO 270001 – Information security
Towards carbon-neutral
• ISO 45001 – Occupational health and safety

People
Diversity plus collaboration equals great
innovation

Peaceful
Peaceful, inclusive and sustainable societies

Partnership
Foster multi-stakeholder partnerships
Hitachi Energy Ltd
High Voltage Products
Hybrid switchgear
contact-us@hitachienergy.com

www.hitachienergy.com

©Hitachi Energy 2023. All rights reserved.

Specifications subject to change without notice. 2GJA708398 EN / AG23