gas insulated-High-Voltage Switchgear GIS-ZF9-420(L)/Y4000-50

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XD|GE’s ZF9-420(L) family of 4000A 50kA hydro-mechanical GIS features a

compact structure with flexible arrangement options to meet the unique needs

of most high voltage transmissions systems. The ZF9-420 has been designed,

tested, and certified to meet type test requirement per IEC standards. With

standard and modular design options that save on the number of required

components, substation arrangement is made easier ensuring reduced design

time and substation complexity.

The ZF9-420 delivers advanced GIS technologies, reliability, easy operation

and reduced maintenance efforts in one compact package.

  • Single phase enclosure in a modular, flexible and compact design

  • Long time constant (120ms) fault current interrupting capability

  • Strong light-weight aluminum enclosure

  • Dimensions: L x W x H: 5514mm x 3024mm x 6284mm

  • Horizontal circuit breaker with spring hydro-mechanical operating mechanism

GIS-ZF9-420(L)/Y4000-50 Specifications:

  • Voltage Up to (kV)
  • Continuous Current Up to (A)
  • Max. Rated Frequency (Hz)
  • Rated Short-Circuit Making Current (BREAKER) (KA)
  • Power Frequency Withstand Voltage (kV)
General Electric (GE Power)


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