Circuit breaker with detachable contacts

An electric circuit breaker composed of a fixed part and a detachable part, provided with detachable electrical contacts, wherein the contacts comprise metal plates which are blanked or cut so as to define adjacent contact laminae which are connected one to another and form a first seat for inserting a fixed current conducting bar and a second seat for accommodating a detachable current distribution bar, said contact laminae being spaced one from another and extending from a common central portion of said metal plates so as to elastically abut against the fixed current conducting bar and the detachable current distribution bar.