Indoor Vacuum C.B. Range for Railway Applications - GSx II

Sunday, July 31, 2011

      The GSx II range is the first commercially available single-phase vacuum circuit-breaker intended for the railway power supply and applying a combination of a maintenance-free vacuum interrupter, magnetic actuator and electronic controller.
       The GSx family includes a suitable range of vacuum circuit breaker designed to cover single-phase applications for the railway power supply:
  • Rated frequency: 16.7 Hz or 50/60 Hz
  • Nominal voltage from 17.5 kV up to 27.5 kV
  • Lightning impulse voltage from 125 kV up to 200 kV
  • Rated short circuit current from 25 kA up to 31.5 kA
  • Fix mounted, truck or cassette mounted
Ratings           
Rated frequency (Hz)                                             16.7            16.7            50 (60)
Rated voltage (kV)                                                  24              36                40.5
Operating voltage (kV)                                           17.5           17.5               27.5
Rated power frequency withstand voltage (kV)        50               70                  95
Lightning impulse withstand voltage (kV)                  125            170               200
Rated current (A)                                                    2500          2500             2500
Rated short-circuit breaking current (kA)                 31.5           31.5                25
Rated short-circuit making current (kA)                      80             80                 63
Number of poles                                                          1               1                   1    

Downloads :-
- Leaflet 


Reference : ABB (ABB/Medium Voltage Products & Systems/Circuit Breakers/ Indoor Railway Circuit Breakers)

Downloads

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