| 摘要 |
PROBLEM TO BE SOLVED: To maintain the attachment state of a circuit breaker.SOLUTION: A branch breaker (circuit breaker) has a housing section body 42, a housing section cover 43, and a plug-in cover 44. A base 45 is attached to the housing section body 42 from the back 42c thereof. Insertion grooves 72, 73, into which the holding pieces of a distribution board are inserted, are formed in the housing section body 42. Reverse L-shaped holding grooves 92, 93 are formed in the base 45 so as to cover a part of the insertion grooves 72, 73. The base 45 engages with the holding pieces inserted into the holding grooves 92, 93. |
