Importance

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Abstract

The present disclosure discloses a solid-state circuit breaker including an electronic switch and a mechanical switch connected in series, the mechanical switch includes: a handle micro-switch, configured to be actuated upon the handle rotating to the on position and released upon the handle leaving the on position; a contact micro-switch, installed to the housing and configured to be actuated upon the movable contact moving to a closed position and released upon the movable contact leaving the closed position. By detecting a state of the handle micro-switch and a state of the contact micro-switch, it is achieved that, upon the solid-state circuit breaker being switched from off to on, the mechanical switch is turned on first, and then the electronic switch is turned on, upon the solid-state circuit breaker being switched from on to off, the electronic switch is turned off first, and then the mechanical switch is turned off.

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First Claim