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IEC indoor AC vacuum circuit breaker GSx

Medium Voltage single-phase circuit breaker with magnetic actuator for railway power supply, up to 27,5 kV, 2500 A, 31,5 kA.

The GSx II range is the first commercially available single-phase vacuum circuit breaker for railway power supply applications to feature a vacuum interrupter, magnetic actuator and electronic controller. This solution is robust, reliable and essentially maintenance-free.

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

Why ABB?
  • Available in single  (1x25 kV, 1x15 kV) and two-phase (2x25 kV) configurations
  • For 16.7 (25) Hz and 50 (60) Hz networks
  • Integrating configurable set of functions (under voltage release, anti-pumping, lock in open position, local/remote mode, etc.)
  • Suitable for new installations, refurbishments and upgrades

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