Circuit breakers shall be capable of being closed and opened by manual operation. Operation by other means, such as electrical or pneumatic, shall be permitted if means for _____ operation are also ...

Siemens has launched a refined medium-voltage circuit-breaker. The 3AH4 vacuum circuit-breakers have an operating current of 4000 A for the 36-kV voltage level. It is the first vacuum circuit-breaker ...

Low-voltage circuit breakers are predominant in virtually every electrical power system. Several years ago, Shermco Industries surveyed NETA-accredited companies for the IEEE Electrical Safety ...

OSAKA, Japan--(BUSINESS WIRE)--On November 15, 2014, Panasonic Corporation announced that Panasonic Eco Solutions Vietnam Co., Ltd. (PESVN) celebrated the grand opening of its new wiring device and ...