A method for mounting an interlock module between two contactors, including: providing a first contactor having a first mounting surface and a first movable iron core assembly and a second contactor having a second mounting surface and a second movable iron core assembly, and placing the first mounting surface and the second mounting surface face to face; providing the interlock module comprising a first slider, a second slider and a housing formed separately from the first slider and the housing, an interlocking portion being mounted in the housing for interacting with the first slider and the second slider; connecting the first slider to the first movable iron core assembly of the first contactor; connecting the second slider to the second movable iron core assembly of the second contactor; assembling the housing to the first slider and the second slider; and fixing the housing.

A protection unit, including a power switching device, with a mechanical switch. To improve the multipurpose nature of the power switching while making lockout easier and more reliable, provision is made for the power switching device to include an electrical actuator actuating the mechanical switch and being controlled by an electronic control unit, which is itself powered via an auxiliary switching device. A lockout system with a lock is provided, which, in a lockout configuration, mechanically keeps the mechanical switch and the auxiliary switching device in an isolation configuration, and, in operating configuration, allows the mechanical switch and the auxiliary switching device to move between the conduction configuration and the isolation configuration.

A high-speed circuit breaking array, for breaking a current path in a switching device in the event of a short circuit or overload, has a drive for moving a drive armature from a standby position to a trigger position, wherein the movement of the drive armature is designed to act on at least one movable contact of the switching device in such a way that the current path is broken using a holding device. A switching device having a contact system has at least one fixed contact and at least one movable contact, wherein in order to make and break a current path the movable contact can be reversibly moved in relation to the fixed contact between a make position and a break position using a drive for the purpose of functional switching, and has a high-speed circuit breaking array of this type.

A method for mounting an interlock module between two contactors, including: providing a first contactor having a first mounting surface and a first movable iron core assembly and a second contactor having a second mounting surface and a second movable iron core assembly, and placing the first mounting surface and the second mounting surface face to face; providing the interlock module comprising a first slider, a second slider and a housing formed separately from the first slider and the housing, an interlocking portion being mounted in the housing for interacting with the first slider and the second slider; connecting the first slider to the first movable iron core assembly of the first contactor; connecting the second slider to the second movable iron core assembly of the second contactor; assembling the housing to the first slider and the second slider; and fixing the housing.

A high-speed circuit breaking array, for breaking a current path in a switching device in the event of a short circuit or overload, has a drive for moving a drive armature from a standby position to a trigger position, wherein the movement of the drive armature is designed to act on at least one movable contact of the switching device in such a way that the current path is broken using a holding device. A switching device having a contact system has at least one fixed contact and at least one movable contact, wherein in order to make and break a current path the movable contact can be reversibly moved in relation to the fixed contact between a make position and a break position using a drive for the purpose of functional switching, and has a high-speed circuit breaking array of this type.