Alarm switch
Alloy substitute for mercury in switch applications
Alternate action mechanism
Alternate on-off switch mechanism
Alternate on-off switch mechanism
Alternating current interrupter with magnetic arc extinguishing
Anti-rebound and contact kicker means for circuit breaker
Apparatus and method for quenching an arc in a gas flow circuit
Apparatus and method for remotely moving a circuit breaker...
Apparatus for phase switching in pumping-up power station
Arc blow-out switch
Arc blow-out switch
Arc blowing chamber
Arc chamber channel
Arc chute
Arc chute assembly
Arc chute assembly for circuit breaker
Arc chute extension for increased interruption rating
Arc chute for a circuit breaker
Arc chute having plates coated with weld deterent material