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The ZN73F-12 vacuum circuit-breaker is suitable for indoors type switching system which taking the air as the insulation. In the normal working condition and in circuit breaker's technical parameter scope, the ZN73F-12 vacuum circuit breaker can meet each kind of operation at the electrical network normal or abnormal condition, including switch on and switch off and braking current. Under the situation of frequent operation or needs to open breaking the short-circuit current, it will have the extremely fine performance and satisfythe requestment of switch on or switch off automatically and has the extremely high operation reliability and the service life.
The ZN73F-12 vacuum circuit-breaker is suitable for indoors type switching system which taking the air as the insulation. In the normal working condition and in circuit breaker's technical parameter scope, the ZN73F-12 vacuum circuit breaker can meet each kind of operation at the electrical network normal or abnormal condition, including switch on and switch off and braking current. Under the situation of frequent operation or needs to open breaking the short-circuit current, it will have the extremely fine performance and satisfythe requestment of switch on or switch off automatically and has the extremely high operation reliability and the service life.
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