IEC outdoor AC railway vacuum load-break switch FSG II

MV single-pole outdoor vacuum load-break switch with magnetic actuator designed for railway applications up to 17.5 kV, 2000 A, 4 kA.

The FSG II, purpose-built single-phase load-break switch for 16.7 Hz railway power-supply implements the maintenance free magnetic actuator and maintenance free electronic controller without auxiliary switches and with sensors. The result is a proven technology maintenance free breaker which reliable functions.

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) 2000
Rated short-circuit breaking current (kA) 4
Rated short-circuit making current (kA) 78
Number of poles 1

Why ABB?

  • Alternative technologies with low environmental impact
  • Polymeric insulator
  • Available on request with brackets for installation on structure

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