Lsis Co., Ltd.

Yongi-Ik Park

Woo-jin Park

Kyu-Jung Kim

Disclosed herein is a vacuum circuit breaker. In some embodiments, a vacuum circuit breaker includes a cradle having a rail which forms a travel route; a main body being movably mounted to the cradle and configured to be in a test position or in an operation position; a wheel traveling along the travel route and configured to move the main body to the test position or the operation position; an interlock plate provided in the main body so as to move together with the main body; and a ground interlock device restraining the movement of the main body by restraining the movement of the interlock plate when grounded.

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Gyeonggi-do, South Korea

Yongi-Ik Park