Consist of main controller,dimmer decode unit,control signal connector. Equipped with 6 or 12 dimming/switch modules optional (single 20A/dual 10A module).It can equip with 96 pieces dimming control panels and 22 dimmer racks of the same type. 80A/ 3-phase power input, 400VMCB/ 3 phase 4 wire. Operating temperature: 0 - 40�� Relative humidity, < 95% non-condensing. PC connector: RS232. Wall-mount installation (remain 30mm up and down each). 24 hours uninterrupted operation design, natural heat yield by convection design, no fan required. Dimension: L450×W850×D150(MM)