Patent ID: 11875961
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A circuit breaker of a power distribution system, the circuit breaker comprising:
a housing, comprising a front panel and a rear panel that are disposed opposite to each other, wherein the rear panel is disposed with a power interface and a signal interface, the power interface is configured to be connected to the power distribution system;
an internal element disposed inside the housing;
a pull ring, configured to pull the circuit breaker out of the power distribution system; and
a lock which fits the pull ring, configured to cooperate with the pull ring to lock or release the circuit breaker;
wherein the signal interface is internally and electrically connected to the internal element, and the signal interface is externally configured to be electrically connected to an external control unit disposed outside the circuit breaker; and a control signal of the control unit that is transmitted through the signal interface is used to implement working of the internal element;
wherein the pull ring is located on a periphery of the front panel and is foldable or openable relative to the front panel; and
wherein the lock is movably connected to the housing and is drivable to extend or retract.