Medium Voltage single-phase circuit breaker with magnetic actuator, designed for railway power supply up to 27.5 kV, 2500 A, 31.5 kA
The GSR+ 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) | 50 |
| Rated voltage (kV) | 31.5 |
| Rated power frequency withstand voltage (kV) | 95 |
| Lightning impulse withstand voltage (kV) | 185 |
| Rated current (A) | 1250 / 1600 / 2000 / 2500 |
| Rated short-circuit breaking current (kA) | 25 / 31.5 |
| Rated short-circuit making current (kA) | 63 / 80 |
Why ABB?
- Available in single- (1x25 kV, 1x15 kV) and two-phase (2x25 kV) configurations
- Available for 16.7 (25) Hz and 50 (60) Hz networks
- Easy to interface, adapt and integrate into new or existing installations
- Easy to install and commission
- Fewer moving parts