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Hybrid Switchgear PASS M0 - 145 to 170 kV

Compact switchgear is fully assembled and high-voltage tested in the factory

PASS M0 belongs to Hitachi Energy’s innovative high-voltage hybrid switchgear family, PASS (Plug and Switch System). PASS encloses all functions of a complete switchgear bay in a single module. The hybrid design makes use of traditional air-insulated busbars to connect with other equipment in the substation while enclosing the following bay functions in a single-phase gas-insulated housing:

  • Circuit breaker (Three-pole operated/Single-pole operated)

  • Combined disconnector and earthing switches

  • Voltage transformers and voltage sensors

  • Current transformers

  • Optional:
    - Fast earthing switch
    - Plug-in cables

PASS M0 modules are completely factory-assembled and tested, ready for rapid installation and energization. PASS M0 comes in standard configurations such as single busbar, double busbar and double circuit breaker. Customized modules are also available.

Applications

  • Transmission substations, including reactor and capacitor switching

  • Substation extensions or bay replacements

  • Stand-alone, mobile or skid-mounted substations

  • Industrial, renewable and mining grid connections

Why Hitachi Energy?

  • PASS is the most widely installed hybrid switchgear worldwide, connecting and protecting networks in many different climates and applications

  • Close to GIS compactness at AIS values - the best of both technologies

  • Delivered fully assembled and tested, allowing energization within 16 hours for a single bus bar configuration 

  • Modular design enables both standard and highly customizable solutions 

  • A global service organization to support the equipment in operation through its entire lifetime

Brief performance data

PASS M0 (145 - 170 kV)
Encapsulation Single phase
Rated voltage kV 145* 170
Frequency Hz 50/60 50
Rated current A 3150
3150
Rated Breaking current kA 40 40
Rated power frequency withstand voltage kV 275 375
Lightning impulse withstand level – LIWL kV 650 750

* Product is also available with rated voltage 72.5 kV

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