An electrical circuit breaker, in particular a high-voltage circuit breaker filled with insulating gas, is described. The circuit breaker is furnished with a first contact, in particular, a contact pin and a second contact, in particular, a tulip contact that are movable in opposite directions. The circuit breaker is furnished with a drive mechanism that is coupled to the second contact. The circuit breaker is furnished with a reversing gear that produces a coupling between the second and the first contact. A first indicator element is provided that is associated with the reversing gear.