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US 2019/0035588 A1Published application
Direct current air circuit breaker
AssigneeLsis Co., Ltd.
InventorsSeungpil YANG, Sangchul LEE, Youngkook KIM, Ilhyun KIM
Life of this patent
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Abstract
A direct-current (DC) air circuit breaker for opening and closing a circuit according to various embodiments includes a circuit unit having a main circuit, a detecting unit having a detection circuit for detecting a fault current in the main circuit, and a circuit operating device configured to allow connection or isolation between the main circuit and the detection circuit.
Claims10
A direct-current (DC) air circuit breaker, comprising:
- a circuit unit having a main circuit;
- a detecting unit having a detection circuit for detecting a fault current in the main circuit;
- and
- a circuit operating device configured to allow connection or isolation between the main circuit and the detection circuit.
1 more element
Dependencies are inferred from the claim text.