Keystone HPS-400A-P-KIT - 400W HPS Ballast Kit – S51 Multi-Tap

Product Description

The Keystone HPS-400A-P-KIT is a high-performance 400W High Pressure Sodium (HPS) ballast kit built for demanding commercial and industrial HID lighting applications. Designed with a Constant Wattage Autotransformer (CWA) circuit and a multi-tap input (120V–480V), this ballast offers flexible installation and stable lamp performance across various voltage configurations.

The kit includes all essential components for a complete and reliable setup: the ballast, capacitor, and ignitor. Ideal for parking lots, warehouses, streetlights, and other outdoor or indoor HID fixtures.

Product Specifications

• Lamp Type: 400W High Pressure Sodium (ANSI S51)

• Input Voltage: Multi-Tap – 120V / 208V / 240V / 277V / 480V

• Circuit Type: Constant Wattage Autotransformer (CWA)

• Operating Frequency: 60 Hz

• Voltage Regulation: ±10%

• Recommended Fuse Ratings:

  • 120V – 10A

  • 208V – 7A

  • 240V – 5A

  • 277V – 5A

  • 480V – 3A

• Insulation Class: 200°C

• Capacitor Rating: 55 µF, 240V

• Winding Material: Copper / Aluminum

• Ignitor Model: IGN-XG-02 /P

• Certifications: RU, cRU (UL Recognized Components)

Key Features

• Compatible with ANSI S51 HPS lamps

• 5-tap input for flexible installation

• Includes ballast, capacitor, and ignitor

• CWA design ensures consistent lamp output

• High thermal tolerance for long-lasting performance

• UL recognized components ensure safety and compliance