How is the DC contactor connected to the circuit
the contactor itself is a switch, if not a large electrical Complex start-up program with what switch can be.
the contactor is divided into two parts is a coil through the control switch and power in parallel, the other is the contact switch and load in series
with the benefits of contactor is easy to operate, reduce the risk factor when operating;
First talk about the role of contactor: with a small current switch to control the high current electrical appliances;
