Nader Circuit Breaker

① predetermined direction properly installed, can vertically mounted, the contact closing and opening a clear display. ② good contact cable, upper and lower wire termination points must be predetermined cross-section wire or bus connection. ③ When the cover can not be removed extinguishing inst...

Air Circuit Breaker maintenance should note the following aspects: (1) to ensure the safety distance between the conductive portion and the ground portion outer low voltage air circuit breaker is mounted adjacent electrical interrupter, mounted to prevent leakage breaker arc separator plate . Only st...

Mechanical noise is noise, bearing noise and the noise caused by mechanical factors caused by the processing of the imbalance of the rotor of the motor is generated. Under normal circumstances, the motor mechanical noise is the main source of noise. Electrician learning network Xiao Bian made the fol...

Main line, as long as it breaker, the circuit breaker has only a short-circuit protection, the control circuit may be used for protection fuse. In fact, this is too much trouble speaking, sub-forums, the main effect of the use of parts, but also for everyone to load a map, all clear....

On October 13, 2010, Certification Ceremony for Class I Productive Enterprise was hold in Shanghai Pudong Ramada Hotel. Among 3874 enterprises, only 128 enterprises were approved as Enterprises under Class-One Administration by Shanghai Entry-Exit Ins...