the current type and voltage level of the power supply should be Same as that of the control circuit.

The characteristic of the relay is that when the change of its input quantity reaches a certain program, the output quantity will change step by step.

Select the type of DC contactor The type of DC contactor should be selected according to the type of load current and the weight of the load, that is, AC load or DC load, light load, general load or heavy load.

Automotive 5-pin relays are widely used to control car startup, preheating, air conditioning, lighting, wipers, EFI, fuel pumps, anti-theft, audio, navigation,