The Niloe Step inserts are suitable for expansion claw and screw fastening and are supplied with a red dust cover. Can be used for connecting rigid and flexible conductors using plug-in (SL) or screw terminals (SK). To be completed with rockers and cover frames from Niloe Step. Changeover switch, 1-pole (SL), 16 AX - 250 V~, can be illuminated with LED Order No. 764526 or control function with Order No. 764521.