Magnetic ballast for high pressure sodium lamp, metal halide lamp & mercury lamp 35W-1000W Magnetic ballast for high pressure discharge lampVoltage: 220- ... : 50/60HzPower: 35W, 50W, 70W, 80W, 100W, 125W, 150W, 250W, 400W, 600W, 1000W All of the silicon steel sheets used for ... good quality and beautiful appearance.Certificates: TUV, CE, RoHS VS 400W magnetic ballast for sodium lamp