Philips Advance Core and coil HID ballast kit includes dry capacitor, ignitor and brackets. This ballast kit is suitable for use with one 400-Watt metal-halide lamp. Ballast in the kit has voltage rating of 120/208/240/277/480-Volts and current rating of 3.8/2.3/1.9/1.65/0.95-Amps. The M135/M155 ANSI coded ballast has 12-Inch stranded wiring. It has Class P protection. Ballast features super constant wattage autotransformer, stranded wire circuitry. Ballast operates at the frequency rating of 60-Hz. Ballast with 26 mF 330-Volt dry film capacitor, offers 0.9 power factor. Ballast measures 4.8-Inch x 4.3-Inch x 4.3-Inch. Ballast comes with pre-insulated voltage leads and prewired ignitor. HID Ballast kit is UL listed and CSA certified.