Vapor-state current limiting circuit breaker

Details Vapor-state current limiting circuit breaker Vapor-state current limiting circuit breaker

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Patent

CA 1046114

ABSTRACT A current limiting circuit breaker capable of interrupting a short circuit current of hundreds of thousands of amperes well short of its prospective peak amplitude utilizes a vapor-state current limiter to directly operate circuit interrupter contacts. The current limiter, connected in series with the interrupter contacts, incorporates a ram whose movement in response to vaporization and resulting expansion of the current limiting material is directly operatively coupled to open the interrupter contacts with exceptional speed.

212032

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