The Venture V90D6414K 400 Watt metal halide ballast features a 4-tap voltage input for compatibility from 120 to 277 volts. This magnetic High Intensity Discharge ballast has a high power factor of 90%, ensuring maximum efficiency. A maximum temperature rating of 212 degrees F makes the ballast suitable for mounting in warehouses and manufacturing facilities where high heat may be an issue. Includes dry capacitor and bracket kit.