Door communication switching actuator REG Features: Switching actuator for switching lights, controlling a door opener on side doors or other functions via the Gira door communication bus. Control of a potential-free switching contact 230 V 10 A via the 2-wire bus. The switching actuator can be controlled via: the 'door' and 'light' buttons on the home station, the call button on the door station, the call button on the home station, the buttons on a telephone (in conjunction with TKS-TK gateway). The switching actuator can be operated in five different operating modes: switching, timer s, timer min, pulse and door opener. Pulse function for controlling existing staircase automation. Binary input for switching functions via a connected mechanical button. Switching time depends on the set function continuously adjustable from 1 to 10 s or 1 to 10 min. Notes: The switching actuator is designed for installation in the sub-distribution board. If this is not possible, use a commercially available surface-mounted distributor. This component can be used to set up door communication systems with more than 30 participants.