The Philips Advance 71A6051-A CW Autotransformer Ballast is a high-quality magnetic ballast designed for 400-watt metal halide lamps. It ensures reliable performance across various voltage inputs, making it suitable for diverse lighting applications.
Key Features
- Versatile Voltage Compatibility: Operates efficiently across multiple voltage inputs, including 120V, 208V, 240V, 277V, and 480V, providing flexibility for different electrical setups.
- Consistent Performance: Delivers a ballast factor of 1, ensuring optimal lamp performance and longevity.
- Durable Construction: Built with a UL Class H insulation system rated up to 180°C, enhancing durability and safety.
- Comprehensive Kit: Includes a 24 µF, 400V dry film capacitor and mounting bracket, facilitating straightforward installation.
- Thermal Protection: Equipped with Class P thermal protection to prevent overheating and ensure safe operation.
Technical Specifications
- Lamp Type: 400W Metal Halide
- Voltage Rating: 120/208/240/277/480 VAC
- Frequency: 60 Hz
- Power Factor: 0.9
- Minimum Starting Temperature: -20°F
- Dimensions: 4.75″ L x 4.45″ W x 4.25″ H
This ballast is ideal for applications requiring dependable and efficient operation of 400W metal halide lamps, such as in industrial, commercial, and outdoor lighting environments.









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