Busch-Jaeger 2CKA001751A3321 DND/MUR with printing DND/MUR bell button

For operation with a SELV control system, e.g. a room controller or a central control system. For switching or dimming lighting or for operating blinds in conjunction with the respective control system. Pre-wiring possible using the terminal block supplied as per the connection diagram. With 'DO NOT DISTURB'/'MAKE UP ROOM' printing. 24 V version with LEDs to display the status. For use in the hallway area.