AN IMPROVED DOUBLE-BREAK CIRCUIT BREAKER ROTOR CONSTRUCTION FOR CURRENT BREAKING IN CIRCUIT BREAKERS

摘要

An improved double-break circuit breaker rotor construction for current breaking in circuit breakers is disclosed. The improved contact system comprises of a rotor (1) with at least one moving contact (2); at least two rotor covers (3a, 3b); at least one spring assembled in a spring holders (5); wherein when said moving contact (2) moves to a repelled position, an arcing happens and arc products and hot gases are produced; and said at least one moving contact (2) comprises at least one cover (17) that isolates a spring chamber from an arcing zone.