| Definition: | mechanical switching device having only one position of rest, operated otherwise than by hand, capable of making, carrying and breaking currents under normal circuit conditions including operating overload conditions
Note 1 to entry: Contactors can be designated according to the method by which the force for operating the main contacts is provided.
Note 2 to entry: The term "operated otherwise than by hand" means that the device is intended to be controlled and kept in working position from one or more external supplies.
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