Air Conditioner Contactor Relay Switch

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Air conditioner contactor relay switch.

That thermostat switch powered by a low voltage thermostat wiring 18 gauge circuit 24vac operates a physically separate relay switch or contactor switch located in the heater or air conditioner that turns on or off a heavier use wiring 14 12 or higher gauge circuit wiring a higher voltage 120vac or 240vac that in turn will. When you turn off your ac the contactor goes up blocking power. An air conditioner uses relays to switch the system s high voltage parts on and off. Bvpow air conditioner contactor 24v coil 2 pole 40 amps universal and compatible for fast replacement 4 8 out of 5 stars 44.

Ac contactors can wear out and are at the top of the list of common air conditioning service failures. 4 8 out of 5 stars 44. Contactors pull electrical contacts apart when power is not needed and close the contacts to power something up. An ac contactor is a 25 mechanical relay that uses low voltage power from the thermostat to switch 220 volt high amperage current to the compressor and condenser fan.

Free shipping on your first order shipped by amazon. A brief demonstration of how to replace an air conditioner contactor relay. A brief demonstration of how to replace an air conditioner contactor relay. In order to navigate out of this carousel please use your heading.

Get it as soon as thu sep 24. Bvpow air conditioner contactor 24v coil 2 pole 40 amps universal and compatible for fast replacement. By the same token every time you turn on the air conditioner the contactor is lowered allowing electricity to power the system. The contactor is the switch that receives a low voltage usually 24v signal from your furnace to turn on.

This shopping feature will continue to load items when the enter key is pressed. If the contactor in your ac unit fails the compressor can t send out the refrigerant needed. The relay contains a low voltage coil and a high voltage switch sometimes called contact points when the thermostat switches on a low voltage signal energizes the appropriate relay. More items to explore.

Your air conditioner s contactor and capacitor work together to help power your air conditioner s fan and compressor whenever your thermostat calls for cool the capacitor and contactor in your heat pump work the same way. The contactor is the part of the air conditioner that controls the flow of electricity into the unit.