A primary and secondary deeply fused protective pole-mounted circuit breaker

Abstract

The application discloses a primary and secondary depth fusion protective type pole-mounted circuit breaker, which comprises a primary and secondary depth fusion pole-mounted circuit breaker body, a circuit breaker base fixed to the bottom end of the primary and secondary depth fusion pole-mounted circuit breaker body, a sealing bin wrapped around the outer periphery of the circuit breaker base and in sealing connection with the connecting part of the primary and secondary depth fusion pole-mounted circuit breaker body, a bottom frame fixedly installed on the bottom end inner wall of the sealing bin and with the circuit breaker base fixedly installed on the top end of the bottom frame, a dehumidification mechanism connected with the sealing bin, and an air inlet adjusting mechanism connected with the dehumidification mechanism. The dehumidification mechanism comprises an air outlet penetratingly arranged on the top end inner wall of the sealing bin and externally covered with a filter screen, a plurality of air inlets penetratingly arranged on the bottom end inner wall of the sealing bin, and a plurality of air inlet pipes. The primary and secondary depth fusion protective type pole-mounted circuit breaker has the effects that auxiliary heat dissipation is realized, and moisture can be prevented from directly invading the connecting part of the key components.

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