... 3) Low raise temperature. 4) Low power consumption. 400w magnetic ballast for metal halide lamp and sodium lamp CodeWattLamp typeCurrent(A)VoltageP ... -240V/50Hz0.418/25TLB250250MH/HPS2.15 / 3220-240V/50Hz0.425/40TLB400400MH/HPS3.25 / 4.6220-240V/50Hz0.4232/50Detailed ... 70W,125W,150W,250W,400W,600W,1000W,2000W.Electromagnetic ballasts for HID lamps.For HS:(high-pressure sodium) discharge lamp; MH:(high- ...