Patent ID: 8830025
Filing Date: 2014-09-09
Classification: H01H

Abstract:
1. A circuit breaker comprising: a breaking mechanism portion breaking a circuit with a bimetal when a current with a predetermined value or more to break the circuit flows; a terminal connected to a power supply side or a load side of the breaking mechanism portion; a case accommodating the breaking mechanism portion, and the terminal; a columnar shaped stud including a first member having a base portion accommodated in the case with an end surface fixed in a state contacting the terminal and a lower portion connected to the base portion and protruding from the case, and a second member fixed to the lower portion and connected to a power-supply-side line or a load-side line, the lower portion and the second member forming a protruding portion protruding from the case; and a fastening member engaging the second member to fasten the terminal and the stud, wherein a cross-sectional area of the protruding portion is more than a cross-sectional area of the base portion.