Back-lighted push-button switch with safety stop
Basic electric switch with an additional switch portion
Bearing means for a rotatable member
Bellows device
Bending mode liquid metal switch
Bent switching fluid cavity
Bi-directional direct current switching apparatus having arc ext
Bi-directional direct current switching apparatus having bifurca
Bi-switch construction having an auxiliary interrupting device a
Bimetallic arc shield
Blowing element
Break chamber for a gas-blast circuit breaker
Breaker switch for auto battery
Breaking chamber for self-blasting compressed gas electric circu
Breaking device for multipole electrical circuit breaker with mu