Patent ID: 6900405

Claim:
A circuit breaker, comprising: a breaker housing; a switching mechanism disposed in said breaker housing; a threaded collar fixed on said breaker housing and having a wall and a bore formed therein delimited by said wall; a substantially cylindrical actuating element displaceably guided in said bore of said threaded collar and partially protruding from said breaker housing, said actuating element mechanically connected to said switching mechanism for toggling said switching mechanism between a closed position and an open position by manual pushing or pulling said actuating element, a space between said wall of said bore and a circumference of said actuating element defining an annular gap; and a sealing ring sealing said annular gap; said actuating element having a basic body, a marking ring pushed onto a circumference of said basic body, and an end ring pushed onto said circumference of said basic body and disposed toward an inside of said breaker housing with respect to said marking ring, said marking ring and said end ring being disposed in relation to each other with a spacing, and said sealing ring lying between said marking ring and said end ring.