Outdoor Vacuum C.B. for Railway Applications - GSL II

       Single-pole outdoor breaker

       The GSL is part of the GSx product range, purpose-built vacuum circuit breaker intended for railway power-supply.

       The GSL is a heavy-duty outdoor circuit breaker, extensively deliverd for 16.7 Hz feeder stations where fast tripping time is required. Extremely high endurance of mechanisms and outstanding electrical performances of vacuum interrupters provides highly reliable maintenance-free products with low life cycle costs.

Ratings   
Rated frequency (Hz)                                                 16.7   
Operating voltage (kV)                                               17.5   
Rated power frequency withstand voltage (kV)             70   
Lightning impulse withstand voltage (kV)                      170   
Rated current (A)                                                    ... 2500   
Rated short-circuit breaking current (kA)                   ... 40   
Rated short-circuit making current (kA)                      ... 100   
Number of poles                                                                1

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Reference : ABB (ABB/Medium Voltage Products & Systems/Circuit Breakers/Outdoor Railway Circuit Breakers & Load Break Switches)