Can also be mounted in the roller shutter box (use waterproof mounting housing) The relay is designed for group control of Schellenberg tubular motors STANDARD. It requires an operating voltage of 230 V AC/50 Hz and has a total switching capacity of maximum 8 A, which corresponds to 2 A per roller shutter motor with the Schellenberg roller shutter switches or timers. Roller shutter switch - 700-35900 - Niko - push-button / recessed / double Key Switch Wireless Roller Shutter Remote Control Switch 240V 3A Relay Receiver With 4 Motor Group Control Relay Relay for controlling up to four Schellenberg roller shutter motors (item number 20306, 20308, 20310, 20315, 20320, 20340) via one control unit 2-fold cut-off relay for controlling 2 roller shutter motors. Features and functions: flush-mounted for installation in deep switch box Alternatively, it can be installed in a junction box measuring 70 x 70 mm. The 4-way roller shutter relay is installed in a flush-mounted box with a diameter of 70 mm and a depth of 50 mm.