Vacuum switching interrupter with annular member and diametrical
Vacuum switching tube
Vacuum switching tube
Vacuum switching tube for low-voltage and medium-voltage switche
Vacuum switching tube having magnetic field electrodes
Vacuum switching tube with a coil for generating a magnetic fiel
Vacuum switching tube with a helical current path
Vacuum switching tube with a ring to generate an axial magnetic
Vacuum switching tube with metal cap
Vacuum tube switch which uses low temperature solder
Vacuum type circuit breaker
Vacuum type circuit interrupter with a contact having integral a
Vacuum valve
Vacuum valve/switch assembly
Vacuum-controlled switch means responsive to engine load
Vacuum-switching tube, especially for a low-voltage contactor
Vacuum-type circuit breaker
Vacuum-type circuit breaker
Vacuum-type circuit interrupter
Vacuum-type circuit interrupter