Philips Advance Magnetic Ballast 72C5783-NP-001

The code 72C5783-NP-001 refers to an HID (High-Intensity Discharge) ballast, specifically designed to operate 250W metal halide (MH) lamps with ANSI codes M138 or M153 and a dual-voltage input of 120/277V. The “-001” suffixindicates that it is a replacement ballast supplied in individual packaging, and it features a CWA (Constant Wattage Autotransformer) design, commonly used in commercial lighting fixtures.