A shielding case for a circuit breaker and a circuit breaker using the shielding case
A technology of shielding cover and circuit breaker, applied in the field of shielding cover, can solve the problems of large operation power loss and large movement quality of circuit breaker, and achieve the effect of reducing loss, improving power line distribution and ensuring product quality
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[0017] Such as figure 1 As shown, a shielding cover for a circuit breaker includes a cover body, the above-mentioned cover body includes a cylinder body 1, and the upper port of the cylinder body 1 is flanged inwards to the cylinder body 1 to form a connecting inner cylinder whose axis coincides with the axis of the cylinder body 1 2. The surface of the above-mentioned connecting inner cylinder 2 is provided with a connecting thread; In actual implementation, the arc-shaped turning edge 3 can also be turned outwards from the cylinder body 1 , and those skilled in the art can choose the turning-up direction of the arc-shaped turning edge according to different situations. The shielding case can be a spinning part or a stamping part. In this embodiment, the shielding case is formed by a 5 mm thick aluminum alloy spinning process.
[0018] An embodiment of a circuit breaker of the present invention is figure 2 As shown, the circuit breaker includes a static main contact, a sta...
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