Advanced structure, reliable performance and high sectional ability！
Intelligent drawer circuit breaker
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Beautiful appearance and small size
What is a hollow coil?
The air core coil is one of the coils. The coil in the circuit is actually the inductance coil. It works on the principle of electromagnetic induction. Mainly used in induction reception, focusing, magnetic card, magnetic head, large curren ...
Contactor Model Meaning
1 AC contactor. It is mainly composed of electromagnetic mechanism, contact system and arc extinguishing device. Commonly used are CJ10, CJ12, CJ12B series. 2. DC contactor is generally used to control DC electrical equipment. The coil is c ...