Surface mounting enclosure, Housing: Insulated material, With high-grade steel screws, Number of locations: 4, Cable entry: rear: 1 x M20, lateral: 2 x M20 (1 x each side), Color RAL Value: RAL 7035, Color: Enclosure base anthracite, Connection to SmartWire-DT: no, For use with: 4 x 30.5, For use with: (Illuminated) pushbuttons, (Illuminated) selector switches, Key-operated pushbuttons, Indicator light, EMERGENCY STOP/EMERGENCY OFF buttons with yellow set of adapter rings M22Y-R30, Flat rear contacts M22-FK..., Flat Rear LED elements M22-FLED-…