1、This general relay designed with a terminal socket, plays the role as a protector or a circuit switch, this can protect your electric equipments very well. 2、Electromagnetic relays are widely used: household air conditioner compressor motors, fan motors, cooling pump motors, starter relays for car starters, spur relays, motors, generator circuit breakers, industrial relays, etc. 3、This electromagnetic power relay is of exquisite workmanship 4、The red mechanical indicator can intuitively judge whether the relay is attracted. LED signal lamp can judge the AC or DC coil, and judge whether the coil is energized. 5、This electromagnetic power relay can protect and transform the electric circuit. This electrical relay is for general purpose, being used widely in the remote control, communication, automatic control system, electronic equipments, etc.