IEC socket without housing base for vertical arrangement with switch and mechanical locking. The Combibloc socket offers >IEC socket with switch< in the smallest of spaces thanks to its compact design. The switch is locked and can only be operated when the plug is plugged in. The IEC socket can be secured in the switched on or off state using a retrofittable built-in lock. For installation in socket combinations, surface-mounted, flush-mounted housings and for installation in machines and systems.