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Definition of "contactor" |
An electro-mechanical device that is operated by an electric coil and allows automatic or remote operation to repeatedly establish or interrupt an electrical power circuit. A contactor provides no overload protection as required for motor loads. / electromechanically actuated spring-loaded relay contacts normally used to control lights, heat, or other non-motor loads. In essence, it is an electromechanically operated switch that usually requires some form of pilot device for its actuation. |
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