Interlocking device for circuit breakers
Interlocking operating mechanism for enclosed switchgear having
Interlocking plug and receptacle mechanism with actuating means
Interphase barrier for switchgear
Isolating switch shutter assembly for high voltage motor starter
Isolation shield for circuit breaker compartment secondary disco
Isolation shields for a 2500-4000 amp circuit breaker compartmen
Isolation switch for power transfer
Isolator switch with interlock