Relays for AC refrigerator can be used to regulate the functioning of refrigerators and air conditioners. These are electrically operated switches that mechanically actuate a series of contacts using an electromagnet. The compressor, which is the key component powering the cooling process in an AC, can be managed by these products. The compressor is turned on when the relay receives a signal from the thermostat indicating that the room temperature has risen over the intended level. Relays for AC refrigerator turn off the compressor when the temperature reaches the required level. These are basically an electronic component that facilitates compressor startup in your refrigerator.