... ) Low raise temperature. 4) Low power consumption. 400w magnetic ballast for metal halide lamp and sodium lamp CodeWattLamp typeCurrent(A)VoltageP/FCP(uf ... 4.6220-240V/50Hz0.4232/50Detailed Product Description.Electromagnetic ballasts for metal halide lamp,sodium lamp,mercury lamp 35W,70W,125W,150W, ... silicon steel sheet.10) TW:13011) Certificate: CE. 400w ballast magnetic ballast for metal halide lamp