Trane CTR1720 3-Pole Contactor W/Auxiliary 75 AMP 120V

The Trane CTR1720 is a 3 Pole Contactory is the electrical switch with heavy, highly designed for the HVAC systems. It operates by switching on and off a high current circuit to switch on and off high power devices such as compressor or heater. When energized, the contactor pulls internal contacts together to close an electromagnetic circuit for the connected equipment to be powered. On the other hand, switch off the contactor removes that connection and halts the power supply. This contactor has an AC current rating of 75A at 120V and can handle both 50 and 60 Hz electrical supply system.