250W 400W 600W and 600W SL (super lumens) Has "soft-start" program to allow multiple ballasts to start at the same time Power factor of 99.9% - lose fewer watts from the power supply to the lamp Runs on 240 volt power Works with both Metal Halide (MH) and High Pressure Sodium (HPS) lamps External breaker system protects against power surges Guaranteed against defects for 36 months CE and SAA certified
