Modular permanent-magnetic circuit breaker
A permanent magnet circuit breaker, modular technology, applied in the direction of high-voltage air circuit breakers, circuits, electrical components, etc., can solve the difficulty of closing and separating the vacuum tube and the main circuit, the cumbersome replacement of circuit breakers or components, and the complex structure of circuit breakers and other problems, to achieve the effect of rapid replacement of circuit breakers, reduction of damage probability, and simple structure
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[0029] Such as Figure 1-7 As shown, a modular permanent magnet circuit breaker includes a housing 1 in which three accommodating cavities are sequentially arranged from top to bottom, and each accommodating cavity is provided with a vacuum tube 3 and a permanent magnet device 2. The shape of the accommodating cavity is matched with the shape of the vacuum tube 3 and the permanent magnet device 2 it contains, so that the vacuum tube 3 and the permanent magnet device 2 can be fixed in the accommodating cavity where they are located. The vacuum tube 3 has a movable contact 31 inside. With the static contact 32, the rod of the movable contact 31 extends outside the vacuum tube 3 and is connected to the permanent magnet device 2 through the connecting mechanism 4, and the rod of the static contact 32 extends outside the vacuum tube 3 and extends to the shell The outer side of the body 1 is used as the input end 5 of the vacuum tube 3. A current transformer 18 is provided on the rod...
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