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公开(公告)号：US12119195B2
公开(公告)日：2024-10-15
申请号：US17909626
申请日：2021-02-26
Applicant: LS ELECTRIC CO., LTD.
Inventor： Yong Ik Park
CPC classification number: H01H71/0214 , H01H9/342 , H01H33/08
Abstract: The present disclosure relates to an arc extinguishing assembly including a sealing member and a circuit breaker including same. The sealing member is pressed and elastically deformed between coupling surfaces of the arc extinguishing assembly and the circuit breaker, and accordingly, a gap between the coupling surfaces of the arc extinguishing assembly and the circuit breaker is sealed. Accordingly, when an arc is generated, a temporary pressure increase in the circuit breaker increases and the arc can be smoothly extended.
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