Selective protection switch
A selective, switching technology, applied in the direction of adjusting protection switch conditions, overload protection circuit breaker, protection switch operation/release mechanism, etc. Selective protection, simple switching circuit, saving production time
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[0017] The specific implementation of the selective protection switch of the present invention will be further described in detail below in conjunction with the specific embodiments of the present invention shown in the accompanying drawings.
[0018] Such as figure 1 , figure 2 As shown, the selective protection switch of the present invention is arranged in a housing, for example, two nearly symmetrical half housings are riveted to form a whole. An operating handle 10 is arranged on the housing, and the operating handle cooperates with an operating mechanism 11 in the housing to control the closing and opening of the movable contact 12 and the static contact 13 in the housing. That is, when the operating handle 10 closes the switch, the circuit is connected; when the operating handle 10 turns off the switch, the circuit is cut off. Once a fault occurs, the switch will disconnect the circuit, and at this time, the arc will be introduced into the arc extinguishing chamber 1...
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