Industrial 79W2591-001 Weatherproof Ballast Quadri-Volt

Philips Advance 79W2591-001 Weatherproof Quadri-Volt ballast powers outdoor HID lighting for 1-100W H-38 mercury lamps, delivering reliable starting and current regulation in a rugged, weatherproof enclosure. As a Quadri-Volt ballast, it is designed to operate from multiple standard voltages, simplifying outdoor installations that share common supply lines. Built for exterior mounting, this ballast provides the ballast function for low-wattage mercury lamps in outdoor luminaires, maintaining arc stability across the 1-100W range. The 79W2591-001 designation identifies this specific Advance ballast and its outdoor-rated construction for dependable performance in harsh environments.