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