Illuminated. Properties: -Front-mounted retrofitting of lighting modules without removing the switch. -Front-mounted measuring and test contacts, accessible without removing the switch. Surface-mounted installation. With plug-in terminals. Protection class: IP 44. Dimensions: approx. 83 x 73 x 56 mm. Accessories: LED light pendant, AC 100-230 V AQUASTAR MEG3901-8006. LED light pendant, AC/DC 8-32 V AQUASTAR MEG3922-8006. LED linear lighting, AC 100-230 V AQUASTAR MEG3903-8000. Label field inserts AQUASTAR MEG3957-8000. Double inlet AQUASTAR MEG3961-80.. Connector AQUASTAR MEG3963-80.. Pipe inlet AQUASTAR MEG3964-8029. Duct inlet AQUASTAR MEG3965-80.. Slide with nozzle AQUASTAR MEG3962-8029. Scope of delivery: With LED light pendant MEG3901-8006. With label field insert light. For every 5 buttons we supply 5 additional label field inserts: 1 door, 3 bell and 1 neutral. Color: light gray.