... raise temperature. 4) Low power consumption. 400w magnetic ballast for metal halide lamp and sodium lamp CodeWattLamp typeCurrent(A)VoltageP/FCP(uf ... .Electromagnetic ballasts for metal halide lamp,sodium lamp,mercury lamp 35W,70W,125W,150W,250W,400W,600W,1000W,2000W.Electromagnetic ballasts for HID lamps.For ... sheet.10) TW:13011) Certificate: CE. 400w ballast magnetic ballast for metal halide lamp