Intelligent low-voltage vacuum circuit breaker
A vacuum circuit breaker, an intelligent technology, applied in high-voltage air circuit breakers, circuits, high-voltage/high-current switches, etc., to solve problems such as the main contact being repelled, low pressure, salt spray, vibration and other environmental conditions constraints , to achieve high reliability, short full breaking time and good compatibility
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[0012] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly defined.
[0013] see figure 1 and figure 2 , the embodiments of the present invention include:
[0014] An intelligent low-voltage vacuum circuit breaker includes a casing 1, an insulating cylinder 2 and a vacuum tube 4. The vacuum tube 4 is connected with an insulating pull rod 5, and a copper busbar 6 is fixed on the insulating cylinder 2; There are intelligent controllers 3, undervoltage electromagnetic switches, flexible current transformers, spring operating mechanisms, closing electromagnetic switches and opening electromagnetic switches, the undervoltage electromagnetic switches, flexible current transformers, closing electromagnetic switches...
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