High-voltage system , comprising: at least one high-voltage component ; and a safety device having a coupling device which switchably couples high-voltage components of the high-voltage system to external components and which is designed to electrically isolate the high-voltage components from the external components as a function of the operation of a safety switch , and having a discharge circuit which is designed to electrically discharge the high-voltage components as a function of the operation of the safety switch , characterized in that the safety device comprises a monitoring device which is designed to monitor electrical parameters of the discharge circuit or the high-voltage components and to release the locking of a housing for the high-voltage components when at least one of the electrical parameters of the discharge circuit or the high-voltage components falls below a predetermined threshold value, wherein the high-voltage system further comprises: a housing which protects the at least one high-voltage component against access from the outside; a locking mechanism which lockably closes the housing ; a safety switch which is coupled to the coupling device and the discharge circuit ; and an operating device which is coupled to the locking mechanism and the safety switch and which is designed to be operated in order to unlock the housing , wherein the operating device has a service disconnect switch which can be operated by a maintenance key . at least one high-voltage component ; and a safety device having a coupling device which switchably couples high-voltage components of the high-voltage system to external components and which is designed to electrically isolate the high-voltage components from the external components as a function of the operation of a safety switch , and having a discharge circuit which is designed to electrically discharge the high-voltage components as a function of the operation of the safety switch , characterized in that the safety device comprises a monitoring device which is designed to monitor electrical parameters of the discharge circuit or the high-voltage components and to release the locking of a housing for the high-voltage components when at least one of the electrical parameters of the discharge circuit or the high-voltage components falls below a predetermined threshold value, wherein the high-voltage system further comprises: a housing which protects the at least one high-voltage component against access from the outside; a locking mechanism which lockably closes the housing ; a safety switch which is coupled to the coupling device and the discharge circuit ; and an operating device which is coupled to the locking mechanism and the safety switch and which is designed to be operated in order to unlock the housing , wherein the operating device has a service disconnect switch which can be operated by a maintenance key . a housing which protects the at least one high-voltage component against access from the outside; a locking mechanism which lockably closes the housing ; a safety switch which is coupled to the coupling device and the discharge circuit ; and an operating device which is coupled to the locking mechanism and the safety switch and which is designed to be operated in order to unlock the housing , wherein the operating device has a service disconnect switch which can be operated by a maintenance key . <EOS>