Patent ID: 11875956
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A vacuum circuit breaker comprising:
a vacuum interrupter having a fixed electrode and a movable electrode;
a main circuit having a housing accommodating therein the vacuum interrupter;
a push rod assembly coupled to the movable electrode for raising up or lowering the movable electrode;
a discriminative sticker arranged in a movement direction of the push rod assembly; and
a sensor assembly that monitors a position of the discriminative sticker and having a sensing direction different from the movement direction of the push rod assembly,
wherein the discriminative sticker has a plurality of areas arranged in the movement direction of the push rod assembly, wherein the plurality of areas have reflectance varying in a stepwise manner.