| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circuit breaker capable of reducing gap between a flange part of a handle and a handle arm and obtaining smooth movement of the handle even when molten material and dust of the outside intrude between the flange part of the handle and a body cover. <P>SOLUTION: A circuit breaker includes an opening and closing mechanism part 51 including a handle 3 made up of a flange part 3b that is fixed to a handle arm 13 and a grip part 3a that is integrally formed with the flange part 3b and projects from a body cover 1. The flange part 3b is provided so that a plane part 3c of a flat part is adjacent to a ceiling 1b of the body cover 1 of the circuit breaker by causing the flange part 3b to be in a flat shape. <P>COPYRIGHT: (C)2012,JPO&INPIT |
