Rotary switch, 3-stage switch with OFF position 16 AX 250 V ~ 250 V ~, anthracite with screw terminals for rigid and flexible conductors up to 4 mm2 Connection terminals in accordance with DIN VDE 0632 (EN 60669) (screw fastening, without fastening claws) Not suitable for installation in surface-mounted caps Installation instructions: No plaster compensation possible. Insert must be installed flush with the wall. The support ring must not be wallpapered over.