| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit breaker with strength of a case secured through a simple structure.SOLUTION: The circuit breaker 1 includes a fixed contactor 50 with a fixed contact 60 fitted, a movable contactor 30 with a movable contact 40 fitted and for displacing the movable contact to the fixed contact coming in contact or separating from each other, a magnetic body 80 including a pair of side parts 81 pinching at least a part of the movable contactor and arranged along a moving direction of the movable contactor and a coupling part 82 coupling their end parts, and a case 20 housing them. The case includes an opening with the side parts of the magnetic body inserted and covers them, and the circuit breaker 1 includes a magnetic cover part 23 integrally formed with the case by a material having insulation property. |
