Advance 460W CW Transformer Ballast 71A8402

Overview

The Advance 71A8402 is a 460W CW (Constant Wattage) transformer ballast designed for industrial control and general-purpose applications in HID (high-intensity discharge) lighting systems. As a magnetic core and coil ballast from the Philips Advance line, this unit provides stable power regulation and current limiting for metal halide and other HID lamp types. The 71A8402 is engineered for reliable operation in commercial and industrial environments where consistent lamp performance and electrical protection are critical.

Key Features

• 460W power rating with CW circuit configuration
• Magnetic HID core and coil construction for durability
• 35A primary current rating for input-side control
• 70A secondary current rating for lamp circuit supply
• Industrial-grade transformer ballast design
• Proven Philips Advance technology heritage

Technical Specifications

Typical Applications

The Advance 71A8402 transformer ballast is used in:

• Metal halide HID lighting systems (industrial and commercial fixtures)
• High-intensity discharge lamp installations requiring stable current regulation
• Facility lighting for warehouses, manufacturing plants, and outdoor areas
• Equipment requiring constant wattage power delivery
• Legacy lighting system upgrades and replacements

Compatibility & Replacements

Compatible With

• Metal halide HID lamps and fixtures
• Industrial lighting control panels and switchgear
• Standard 460W CW ballast installations
• Equipment designed for 35A primary input and 70A secondary output

Replaces / Drop-In Replacement For

• Original Advance 71A8402 units in service or end-of-life replacement applications

Works With

• Standard industrial 460W HID lighting systems
• CW (Constant Wattage) circuit configurations
• Metal halide lamp families compatible with 460W ballasts
• Equipment designed for Philips Advance ballast specifications