How does a shading coil in a contactor actually work?

A shading coil in a contactor is used to hold the AC contactor's pole faces closed during the transition of the voltage through the zero voltage phase of an electrical cycle.

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How do you know what contactor will work on your unit if you have a Trane model TWR042c100b2?

  Answer   Most are fairly universal. Determine if you have a single pole or double pole contactor and see if the parts house will sell you one.     If you (MORE)
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What is a shading coil?

A shading coil induces currents to create an additional electrical  phase. The coil pauses slightly to control magnetic flux. Delaying  magnetic flux allows for a secondary (MORE)

How does a shaded pole AC motor work?

A shaded pole AC motor has a part of it's stator short circuited by a copper ring. When the flux in the main part of the stator increases, the flux through the copper ring wit (MORE)
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How does an electrical contactor work?

  An electrical contactor works like a remote switch, usually to switch higher voltage/current circuits.   A contactor has a set of normally open and/or normally closed (MORE)

What is a contactor coil?

A contactor is an electronically controlled switch that has a coil  and contacts. The contactor coil moves the contacts into position  by energizing the contactor. A contact (MORE)