The ORRD radio remote receiver for DIN Rails EN 50 022. The models features: 3 function relays or 2 function relays + 1 "On/Off" relay Voltage: 12 VDC (-25%/+25%) 24 VDC (-10%/+30%) 24 VAC (+10%/-15%) Max. consumption: 75 mA for DC / 3,5 VA for AC Min. consumption: 320 mW for 12/24 VDC