Patent ID: 6900712

Claim:
A circuit breaker comprising: a housing; a main circuit formed inside the housing, having a power source-side terminal member, a fixed contact connected to said power source-side terminal member, a moving contact disposed in opposed relation to said fixed contact, a moving contact support member holding said moving contact held at one end thereof, a coil connected to said moving contact, and a load-side terminal member connected to said coil; a fixed frame secured in the housing; and a toggle link mechanism supported by said fixed frame to rotate said moving contact support member, so as to bring said moving contact held at one end of said moving contact support member into and out of contact with said fixed contact; and a disengaging device including a trip lever mounted on a yoke of said coil, and separated from said fixed frame for rotation so as to interrupt the contact between said moving contact and said fixed contact by said toggle link mechanism.