| 摘要 |
A contact status indicator of a circuit breaker according to an embodiment of the present invention includes: a case; a cover installed on the upper part of the case; a fixed contact installed on a side of the case; a moving contact which can be in contact with or be separated from the fixed contact by a cross bar; a shaft insertion unit which is formed in part of the cover, has an accommodating part, and has an insertion groove on a lower surface; a shaft which is vertically movably inserted into the shaft insertion unit; and a compression spring which surrounds the shaft, has an upper end which touches the lower end of the shaft insertion unit, a lower end which is extended with a preset distance to a position which is lower than the shaft. The lower end of the compression spring is in contact with the upper surface of the cross bar when the circuit breaker is off. |
