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US 2010/0164676 A1Published application
Trip device
AssigneeLS Industrial Systems Co., Ltd.
InventorYoung Min Jun
Life of this patent
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Abstract
A trip device is disclosed, the device comprising: a power source side heater connected to a power source side of a molded case circuit breaker (MCCB) to receive current; a load side heater connected to a load side of the MCCB to receive the current; and a bimetal including a direct heat unit contacting the power source side heater and an indirect heating unit facing the power source side heater, wherein the bimetal is partially fixed between the power source side heater and the load side heater and is curved when over-current or short-circuited current flows in the MCCB.
Claims8
A trip device comprising:
- a power source side heater connected to a power source side of a molded case circuit breaker (MCCB) to receive current;
- a load side heater connected to a load side of the MCCB to receive the current;
- and a bimetal including a direct heat unit contacting the power source side heater and an indirect heating unit facing the power source side heater, wherein the bimetal is partially fixed between the power source side heater and the load side heater and is curved when over-current or short-circuited current flows in the MCCB.
Dependencies are inferred from the claim text.