Advance 71A8251001D 250W High Pressure Sodium Ballast – ANSI S50 – 5-Tap 120–480V

The Advance 71A8251001D HPS BAL 250W S50 5-TAP KIT is a magnetic constant wattage autotransformer (CWA) ballast engineered to operate 250 Watt high-pressure sodium (HPS) lamps with dependable output and stable lamp performance. Designed with a multi-voltage 5-tap input (120/208/240/277/480V), this ballast provides installation flexibility across a wide range of commercial and industrial electrical systems while maintaining efficient operation through a 93% power factor. Built for demanding lighting environments, the unit supports reliable starting performance across a broad temperature range and includes essential installation components to simplify setup and maintenance. Key Features Designed for 250 Watt High Pressure Sodium (HPS) lamp applications ANSI S50 compatible ballast configuration 5-tap voltage input: 120 / 208 / 240 / 277 / 480V CWA (Constant Wattage Autotransformer) ballast design for stable lamp operation 93% power factor to support efficient energy utilization CSA certified for dependable performance and compliance Operates LU250 lamps Includes dry film capacitor, ignitor, and mounting bracket kit Compact footprint suitable for multiple installation configurations Technical Specifications Specification Details Model 71A8251001D Lamp Type High Pressure Sodium (HPS) ANSI Code S50 Ballast Type Constant Wattage Autotransformer (CWA) Lamp Compatibility LU250 Rated Wattage 250 Watt Input Voltage 120 / 208 / 240 / 277 / 480V Power Factor 93% Certifications CSA Minimum Start Temperature -40°F (-40°C) Maximum Start Temperature 221°F (105°C) Dimensions & Weight Measurement Size Length 4.75 in (121 mm) Height 4.4 in (112 mm) Width 3.55 in (90 mm) Weight 12 lb (5.4 kg) Included Components Magnetic ballast assembly Dry film capacitor Ignitor Mounting bracket kit Designed for Flexible Installation The integrated 5-tap input configuration allows this ballast to adapt to multiple voltage environments without requiring separate ballast models. Its compact form factor and included mounting hardware make it suitable for retrofit and replacement projects as well as new installations. Typical Applications Industrial facilities Commercial buildings Area and security lighting Warehouse lighting systems Outdoor HID lighting installations TDS The Advance 71A8251001D 250W HPS ballast delivers dependable operation, broad electrical compatibility, and long-term durability for professional lighting applications requiring consistent high-pressure sodium performance.