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...

read more

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...

read more

What is the difference between contactor and relay?

Electromagnetic relays and contactors work in the same way. Sometimes the same device is used in this circuit as a contactor and another circuit as a relay. How to distinguish? The way to distinguish is to see their specific uses. The main...

read more