Stainless-steel interrupter-head construction for circuit-interr
Stationary contact assembly for a current limiting circuit break
Stationary contact structure for high voltage gas blast circuit
Stationary-contact-and voltage-shield assembly for a gas-puffer-
Steel arcing contact for circuit breaker
Stored energy circuit breaker
Stored-energy operating device for an electric circuit breaker
Stored-energy operating means for an electric circuit breaker
Strand actuator for pushbutton switch
Structurally improved rod array vacuum interrupter
Studded mounting structure for switch
Substrate with liquid electrode
Suicide switch/interrupter with variable volume chamber and puff
Sulfur hexafluoride circuit breaker operating in a very low temp
Sulfur hexafluoride circuit-breaker for operating in a very low
Sulfur hexafluoride high-tension circuit-breaker having high per
Sulfur hexafluoride isolating circuit-breaker and use thereof in
Sulphur hexafluoride circuit breaker usable at very low outside
Surface joined multi-substrate liquid metal switching device
Surge-absorberless vacuum circuit interrupter