Philips Advance Magnetic Metal Halide 71A5943-001D

The Philips Advance 71A5943-001D is a core and coil HID magnetic ballast kit designed for operating 350W pulse start metal halide lamps (ANSI M131). It features a constant wattage autotransformer (CWA) circuit and operates on a 480V single-tap input, ensuring stable and reliable lamp performance. The -001D suffix indicates a replacement or retrofit kit that typically includes the ballast core and coil, a dry-film capacitor, and required mounting hardware, making it suitable for commercial and industrial lighting applications.