Distribution transformer having a primary disconnect switch

Doll or the like with motion sensing switch and switch therefor

Door switches

Double column leaf spring push-button switch

Double pole membrane switch having preferred sequence closing fe

Double-acting, compressed gas, high tension circuit breaker with

Double-break puffer-type compressed-gas circuit-breaker

Double-domed elastomeric keyboard element

Double-flow puffer-type compressed-gas circuit-interrupter

Double-flow puffer-type single-pressure compressed-gas circuit-i

Double-pole single-throw switch

Double-puffer-type compressed-gas circuit-interrupter constructi

Downstream injection nozzle for puffer circuit interrupter

Drawback device controlled by liquid surface tension, a switch i

Drive for a high-tension circuit breaker

Drive for high speed disconnect switch

Driving apparatus for electric power circuit breakers

Driving arrangement for electrical switches with an independent

Driving mechanism for switching apparatus with pressure contacts

Driving mechanisms for vacuum circuit breakers