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US 10,217,588 B2Granted
Enclosed type electromagnetic switch having status indication function
AssigneeLsis Co., Ltd.
InventorJaehyuk Choi
Life of this patent
Estimating the term…
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.
Claims2
An enclosed type electromagnetic switch having a status indication function, the enclosed type electromagnetic switch comprising:
- an enclosure having an enclosed structure;
- and
- an electromagnetic switch, wherein the enclosure, which is separate from and independent of the electromagnetic switch, encloses the entire electromagnetic switch to protect the electromagnetic switch from moisture, dust, or impurities,
- wherein the electromagnetic switch comprises:
- an electromagnetic contactor installed inside the enclosure;
- an auxiliary contact unit attached to one side of the electromagnetic contactor;
- and
- 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 is installed on the enclosure and connected to contacts a (NO contacts) of the auxiliary contact unit to show that the electromagnetic contactor is in the on state;
- and
- a second indicating means that is installed on the enclosure and connected to contacts b (NC contacts) of the auxiliary contact unit to show that the electromagnetic contactor is in the off state, and
- wherein the first indicating means and the second indicating means operate in a mutually exclusive manner to each other,
- wherein the first and second indicating means include first and second conductor parts connected to the contacts a and the contacts b, respectively, and first and second indicating parts installed in a way that are exposed on the enclosure, and
- wherein mounting holes are formed in part of the enclosure to mount the first and second indicating means.
12 more elements
Dependencies are inferred from the claim text.