Static contact arc extinguishing module of circuit breaker
A technology of static contacts and circuit breakers, which is applied in the directions of circuit breaker contacts and circuit breaker parts, etc., can solve the problem that the structural design of the arc extinguishing system cannot be integrated and modularized, the structure design of the arc extinguishing system is unreasonable, and the breaking capacity of the circuit breaker is low. and other problems, to achieve the effect of good magnetic blowing effect, convenient assembly and simple structure
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[0017] Such as Figure 1~4 As shown, the embodiment of the present invention is a static contact arc extinguishing module of a circuit breaker, including a static contact 10, an arc extinguishing assembly 20 arranged on the static contact 10, and the arc extinguishing assembly 20 includes an arc extinguishing The casing 21 of the cavity 210, a plurality of arc-extinguishing grids 22 and arc-breakers 23 respectively arranged in the casing 21, one side of the casing 21 has a through hole 211 matching the movement track of the moving contact , the shielding plate 23 is set in the through hole 211, the upper end of the casing 21 corresponding to the plurality of arc extinguishing grids 22 is provided with an arc discharge hole 212, and one end of the static contact 10 corresponds to The lower ends of the plurality of arc extinguishing grids 22 have a U-shaped contact portion 11 inserted in the arc extinguishing chamber 210, and the U-shaped contact portion 11 is provided with a st...
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