Yueqing Junwei Electric Co., Ltd. is located at the West foot of Yandang Mountain, a beautiful tourist resort, the Bank of Oujiang River, the East China Sea, beside national highway 104, ...

Disjoncteur terapolaire differencie,ncteur multipolaire Disjoncteur multipolaireDisjoncteur multipolaired,Disjoncteur terapolaire differencie,ncteur multipolaire Disjoncteur multipolaireDisjoncteur...

Disjoncteur bipolaire differenciel ,Selon l'invention la partie disjoncteur (3) intervient dans l'espace se trouvant en regard des bornes (51,61) du circuit de phase, et la partie diff&eacu...

 Different advantages1. Electric meter box is a special box for electricity metering, which completely solve the personal injury and death accidents caused by poor grounding of the box an...

Circuit breaker refers to the switch device that can  turn on, carry and turn off the current under abnormal circuit conditions within a specified time. The circuit breaker can be used to dist...

Definition of energy meterThe energy meter used to measure the power load is called the energy meter. Energy is the total power consumed and used by the load in a specific time interval. It is used...

Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC), which are used for power, distribution and electric field connection. Contactor is a kind of electric applianc...

In our daily life, we often use transformers in TV, recorder, air conditioner and other electrical appliances. A transformer is an electrical device used to transfer power from one circuit to anoth...

NBC230 Breaker are suitable in AC 50Hz, 250/440V circuit with overload and earth leakage protection. The rated current is adjustable from 10A up to 60A. User can select suitable current to better p...

Application: PG230, PG430 breaker are suitable in AC 50Hz, 250/440V circuit with overload and earth leakage protection. The rated current is adjustable from 10A up to 60A. User can select suitable ...