发明授权
US5164559A Circuit breaker with an incorporated varistor 失效
断路器与并联变压器

Circuit breaker with an incorporated varistor
摘要:
An SF.sub.6 circuit breaker having a varistor incorporated in line with its interrupting chamber in which insertion of the varistor on opening and closing is performed by coaxial translation of two electrodes outside and around the main contacts.
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