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US 2017/0250044 A1Published application
Enclosed type electromagnetic switch having status indication function
AssigneeLsis Co., Ltd.
InventorJaehyuk CHOI
Life of this patent
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Abstract
The present invention relates to an enclosed type electromagnetic switch having a status indication function, and more particularly, to and enclosed-type electromagnetic switch having a status indication function that can show the electromagnetic switch's status on an enclosure.
Claims5
An enclosed type electromagnetic switch having a status indication function, the electromagnetic switch comprising:
- an enclosure;
- an electromagnetic contactor installed inside the enclosure;
- an auxiliary contact unit attached to one side of the electromagnetic contactor;
- an overload relay installed inside the enclosure and providing a trip signal to the electromagnetic contactor, wherein the enclosure comprises:
- a first indicating means that shows that the electromagnetic contactor is in the on state;
- and
- a second indicating means that shows that the electromagnetic contactor is in the off state, and
- wherein the first indicating means is connected to contacts a (NO contacts) of the auxiliary contact unit, and the second indicating means is connected to contacts b (NC contacts) of the auxiliary contact unit.
5 more elements
Dependencies are inferred from the claim text.