A multi-loop circuit breaker
A circuit breaker and multi-circuit technology, which is applied in the direction of circuit breaker components, circuit breaker contacts, etc., can solve the problems of reducing the short-circuit breaking capacity of circuit breakers, weakening and reducing excitation capacity, etc., achieving ingenious structure, reducing internal resistance, and improving The effect of breaking ability
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Embodiment 2
[0045] see Figure 6 to Figure 8 , a multi-circuit breaker, the main structure of which is the same as that of Embodiment 2, the difference being that: the thermal release mechanism 70 also includes at least one second auxiliary current circuit, the second auxiliary current circuit is connected in parallel with the bimetal 71, and the second The number of auxiliary current loops can be one, two or even more. The second auxiliary current circuit includes an auxiliary contact plate 74 rotatably connected in the casing 10, one end of which is electrically connected to the outlet terminal 30 through a connecting wire 73, and the other end is provided with a first auxiliary contact 75, the movable contact plate 72 The top of the other side is correspondingly provided with a second auxiliary contact 76 , and when the first auxiliary contact 75 is in conductive contact with the second auxiliary contact 76 , the second auxiliary current circuit can be connected.
[0046] This embodim...
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