IEC Contactors, Motor Starters, & Auxillary OverloadsA contactor is an electrically controlled switch used for switching a power circuit, similar to relay except with higher amperage ratings. Manual Motor starters provide motor protection and disconnect method in a fraction of the space required for traditional components. An overload relay is essentially a sensor that is connected between the power supply and the load and upon the detection of a current overload condition, disconnects the load from the power supply.
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