400w Galaxy Digital Ballast MH/HPS

400 Watt Galaxy Digital Ballast. Runs either 400w Metal Halide or 400w High Pressure sodium bulbs. 120v or 240v Drives lamp to peak performance. Saves energy! Uses 5-12% less energy than magnetic H.I>D. (depending on lamp specification). Extremely efficient - 99.9% power factor. Soft starting - increases lamp life & reduces lumen depreciation. Anodized, extruded aluminum housing. Lightweight- 400W weighs 11lbs./600W weighs 14 lbs. Can ignite both HPS & MH lamps. Very quiet operation. Instructions & warranty information. Rubber feet reduce noise and vibration Features the exclusive Smart Volt feature. Operates on both 120 & 240 volt power. Simply unplug one cord and plug in the other. 8-foot 120 volt power cord included. Purchase 240 volt cord separately (prod # 903082). 1000 watt Galaxy Electronic Ballast is 240 volt only. These come wired with our standard female lamp cord receptacle that accepts our proprietary, patented male lamp cord making these units compatible with all Sun System reflectors. Purchase lamp cord with socket assembly separately.   Works with Hortilux metal halide and high pressure sodium bulbs as well as Ultra Sun bulbs.