What does an AC contactor do?

An AC contactor controls the flow of electricity to all parts of the unit. If the contactor is bad, the AC unit will lose its ability to adequately cool the home and may run continuously, even when the thermostat is turned off

What causes AC contactor to burn out?

Over time, contactors can burn out due to either normal wear and tear or overheating. When a contactor burns out, the component that it supplies electricity to will not be able to turn on. They can get stuck down.

When should a contactor be replaced?

Most manufacturers recommend that when the silver pad is one-half worn on AC contacts and on some silver-tipped DC ones, that the contacts be replaced. Electrical contacts withstand regular abuse from electric arcing - even when it's just a small jump. Even the largest contacts wear out after prolonged exposure.

Contactor for ac unit-Sigma

By admin / March 16, 2022 August 29, 2022

Contactors, SIGMA

Contactor for ac unit-Sigma

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Certified Replacement Relays

Sigma Contactor for ac unit Stable and durable, compact design to protect the contactor from dust and other environmental elements

Industrial Workmanship

Equipped with binding head screws, includes lug, covers and quick connect spade terminals, coils features class b insulation, coil is encapsulated with no exposed tape wrapping

Wide Application

Great switch solution for HVAC, elevators, pools, food processing, pumps or compressors, lighting, hoists and cranes, battery chargers, printing presses, vending machines, and agriculture, compatible.

Categories: Contactors, SIGMA Tag: Contactor for ac unit

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Description

Contactor for AC Unit

The Sigma Contactor for AC Unit is a robust enclosed substitute for all two-pole contactors with coils running at 120 volts and rated for 40 amps or less. This device for an ac unit has a coil that runs at 120 volts and has a 40 amp rating. For optimum wiring versatility, this contactor features four male fast connect 14″ connectors and a heavy lug terminal on each line voltage connection. Each of the reduced voltage coil’s two terminals has a double 14″ male quick connect. . There is no visible tape wrapping surrounding the enclosed coil. With four oblong holes, the mounting base is 2-5/16″ X 2″. Additionally, the base has four slots that offer a variety of mounting choices.

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