An electrical arrangement (1), comprising a housing (2) having a housing opening (20), an electrical component (3) within the housing (20), a power supply connection (4), a contact protection cover (5), and a circuit breaker (6) which can be inserted into the housing (2), wherein, in the inserted state, the circuit breaker (6) connects the electrical component (3) to the power supply connection (4) and, in the withdrawn state, the circuit breaker (6) disconnects the connection, wherein the contact protection cover (5) can be fastened to the housing (2) in a locking position in which the contact protection cover (5) covers the housing opening (20), and wherein, in the inserted state, the circuit breaker (6) locks the contact protection cover (5) in the locking position.