Warehouse-Lighting.com’s Universal 250W metal
halide ballast is an HID five-tap replacement ballast kit for
120/208/240/277/480V. Sold in three-packs, the kit comes complete with
ballasts, capacitors and mounting bracket sets with screws. Minimum start
temperature is -20 degrees Fahrenheit and power factor is 0.9. A two-year
warranty is included.