22154120 LM-4RUKS Relay output with 4 independently addressable and controllable contacts for switching lamps and operating devices for lamps. Load per contact up to 10A possible; mains and bus connection, output side: four independent relay contacts. Connections are made by means of screw terminals. Switch cabinet case of flame-resistant polycarbonate, halogen-free, intended for mounting on 35mm top-hat rail conforming to EN 50022, permissible ambient temperature from 0 to +50°C, protection type IP20, dimensions: 105 x 90 x 59mm, 6 modules at 17.5mm.