CIRCUIT BREAKER Russian patent published in 1998 - IPC

Abstract RU 2117356 C1

FIELD: electrical equipment manufacture. SUBSTANCE: circuit breaker has movable contact holder, contact pressure springs, trip-free mechanism built up of disconnecting lever coming in mesh with turning armature, and thermal release. In addition, it is provided with C-clamp easily embracing spring-loaded lever which locks trip-free mechanism cross-arm and loosely joins turning armature with spring-loaded lever. In handling maximum switching currents, cross-arm unlocking by moving armature takes place earlier thereby ensuring fast response of circuit breaker. EFFECT: simplifier design and improved switching reliability. 2 dwg

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RU 2 117 356 C1

Authors

Kobeljatskij Vitalij Georgievich

Dates

1998-08-10—Published

1996-04-23—Filed