BURN-OFF ELEMENT TO BE ARRANGED ON A SWITCH CONTACT OF A POWER CIRCUIT BREAKER

摘要

The invention relates to a burn-off element to be arranged on a switch contact (3) of a power circuit breaker (1), in particular a self-blast circuit breaker, wherein during switching, an electric arc (9) burns between the switch contact (3) and a second switch contact (4), comprising a storage opening (11) for storing the electric arc (9), the storage opening extending in the longitudinal direction (L) of the burn-off element (20) and stretching continuously transversely to the longitudinal direction (L) of the burn-off element (20), as well as to a switch element having such a burn-off element (20), and to a power circuit breaker (1) having such a switch element.