202874 ⎘
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details; Means for extinguishing or preventing arc between current-carrying parts; Impedances connected with contacts the impedance being inserted both while closing and while opening the switch
High voltage circuit breaker
#2Supporting structure of closing resistor unit for circuit breaker
#3Gas insulated electrical equipment
#4Sealed solenoid magnetically operated high voltage electric power switch
#5Contact protection circuit and high voltage relay comprising the same
#6Alternator circuit-breaker with an inserted resistance
#7Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method
#8Vacuum capacitor switch with pre-insertion contact