High energy closing mechanism for circuit breakers
High frequency switch and method of testing H-F apparatus
High frequency, large current, switch including a pressure-actua
High or medium tension circuit breaker
High or medium tension circuit breaker
High performance circuit breaker with independent pole operation
High power liquid dielectric switch
High power RF coaxial switch
High power switching apparatus
High precision and compact contact switch
High pressure apparatus having means for detecting a leakage
High pressure arc extinguishing chamber
High pressure differential switch device
High pressure resistant, low pressure actuating sensors
High pressure responsive switch and method for making same
High pressure responsive switch device
High pressure switch apparatus
High pressure switch with isolated contacts
High rupture capacity circuit-breaker
High security high tension lamp and connector assembly, in parti