Philips Advance 79W6091-001 is a magnetic HID ballast rated for 400 watts and 600 volts, designed for outdoor weatherproof operation in HID lighting fixtures. It is part of the Advance outdoor weatherproof family, engineered to deliver reliable starting and steady operation for 400W HID lamps in harsh outdoor environments. The 79W6091-001 ballast supports typical 400W HID lighting configurations used in exterior luminaires for commercial applications.
