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IEC outdoor AC railways vacuum circuit breaker GSL II

MV single-phase circuit breaker for heavy duty, with magnetic actuator, designed for railway power supply up to 17,5 kV, 2500 A, 31.5 / 40 kA

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 delivered 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.

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

Why ABB?

  • Alternative technologies with low environmental impact
  • Polymeric insulator
  • Available on request with brackets for installation on Structure (31.5 kA version)

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