Patent ID: 11972919
Assignee: ZHEJIANG CHINT ELECTRICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The plug-in circuit breaker according to claim 8, wherein said button includes a button member used for operation and an indicating member inside said button member, said indicating member includes a rotating shaft, a display end surface, and a driving protruding stand arranged on said rotating shaft, said display end surface is provided with an indicating portion used for identifying the closing and opening, inside of said button member is internally provided with a cavitated installing hole, an operation end face of said button member is provided with an observation window communicating with said installing hole, said indicating member is installed inside said installing hole of said button member by means of said rotating shaft and can swing around the rotary shaft, such swinging action drives the indicating portion on said display end surface to move under said observation window, the corresponding closing and opening state are indicated by moving the indicating portion into said observation window, said driving protruding stand reveals an outer side of said button member, said unlocking member is provided with the corresponding bending end, a bending direction of said bending end faces one side of said driving protruding stand of said indicating member; during the circuit breaker closing, said button moves toward inside of said housing, and said driving protruding stand fits with said bending end, enabling said indicating member to rotate, so that a region of the indicating portion on said display end surface corresponding to the closing state faces said observation window; after the circuit breaker is opened, said button is pulled away from the circuit breaker, said driving protruding stand actuates said unlocking member to rotate by means of said bending end, so that said unlocking portion applies a force to said locking member to retract said locking protruding stand into said housing.