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Hybrid modules for 72.5 - 550 kV

Compact switchgear fully assembled and high-voltage tested in factory, for rapid energizing in 12 hours

PASS M00 belongs to Hitachi ABB Power Grids' 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
  • Combined disconnector and earthing switches
  • Voltage transformers and Voltage sensors
  • Current Transformers
  • Motor drive option
  • Fast earthing switch option
  • Plug in cables option

PASS modules are completely factory assembled and tested, ready for rapid installation and energization.
PASS M00 is available in numerous configurations including single busbar, double busbar, offshore wind tower, pre-assembled H-configured switchgear bay, and various other customized configurations are possible.


  • Integration of renewable power to the grid
  • Remote mining connections
  • Mobile or skid mounted substations
  • Substation extensions or bay replacements

Why Hitachi ABB Power Grids?

  • PASS is the most widely installed hybrid switchgear worldwide, protecting networks in many different climates and applications.
  • Close to GIS compactness at AIS value - the best of both worlds
  • Delivered fully assembled and tested, energizes in 12 hours on-site
  • Modular design enables highly customizable solutions in a short manufacturing time
  • Global service organization, local everywhere

Brief performance data

PASS M00 (72.5 - 100 kV)      
 Encapsulation   Single phase   
 Rated voltage kV  72.5 100
 Frequency Hz 50 - 60 50
 Rated current A 3,150  3,150
 Rated Breaking current kA 40 31.5
 Rated power frequency withstand voltage kV 160 185
 Lightning impulse withstand level - LIWL kV 350 450
power plant engineer for substation
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