Magnetic ballast for high pressure sodium lamp, metal halide lamp & mercury lamp 35W-1000W Magnetic ballast for high pressure discharge lampVoltage: 220-240VFrequency: 50/60HzPower: 35W, 50W, ... paint machine:1. It can reduce noise and avoid shake.2. It can decrease the temperature rise.3. The surface is ... and beautiful appearance.Certificates: TUV, CE, RoHS VS 400W magnetic ballast for sodium lamp