| 摘要 |
PROBLEM TO BE SOLVED: To prevent a second movable contactor from being driven in a pole-closing direction by a magnetic field due to current flowing in a lead wire.SOLUTION: A circuit breaker includes a first movable contactor 4, a second movable contactor 5, a lead wire 8 with one end connected to the other end of the second movable contactor 5, and a power supply side terminal 2 with the other end of the lead wire 8 electrically connected. In the circuit breaker, a magnetic shielding material 12 made of a magnetic substance is fitted between the lead wire 8 and the second movable contactor 5. |
