A switching device (10) comprises a first and a second fixed contact (55), a contact bridge (40), a first and a second movable contact (45) arranged at the contact bridge (40), at least one contact spring (31) and a contact bridge carrier (30) which is movable, is coupled to the contact bridge (40) via the at least one contact spring (31) and comprises a carrier tip (61). The switching device (10) further comprises a lever arm (59) connected to the contact bridge (40) and comprises a tip (62) configured to irreversibly engage with the carrier tip (61) of the contact bridge carrier (30) in case of a short circuit.