<h2>Overview</h2>
<p>The <strong>Philips Advance 71A8453-001D</strong> is a magnetic core and coil HPS ballast kit engineered for 400-watt high-pressure sodium lamps. This ballast supports ANSI code S51 and M169 lamp configurations and operates across a wide voltage range of 120V, 208V, 240V, 277V, and 480V AC via 5-tap input. As a foundational ballast component, it integrates directly into industrial and commercial luminaire assemblies, making it ideal for warehouse, parking, and industrial facility lighting applications.</p>
<h2>Key Features</h2>
<ul>
<li>400-watt capacity for S51 and M169 HPS lamps</li>
<li>Pulse-start ignition for reliable lamp ignition and extended lamp life</li>
<li>5-tap voltage selection: 120V, 208V, 240V, 277V, 480V</li>
<li>98% power factor for maximum efficiency</li>
<li>Maximum ambient temperature rating of 221°F</li>
<li>Includes dry film capacitor, electronic ignitor, and mounting bracket kit</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Power Rating:</strong> 400 watts</li>
<li><strong>Lamp Type:</strong> High Pressure Sodium (S51/M169)</li>
<li><strong>Voltage Input:</strong> 120V, 208V, 240V, 277V, 480V AC (5-tap)</li>
<li><strong>Starting Method:</strong> Pulse Start</li>
<li><strong>Power Factor:</strong> 98%</li>
<li><strong>Temperature Rating:</strong> –20°C to 105°C (Maximum 221°F ambient)</li>
<li><strong>Dimensions:</strong> 9.1" L × 5.8" W × 5.8" D</li>
<li><strong>Weight:</strong> 17.25 lbs</li>
<li><strong>Included Components:</strong> Dry film capacitor, electronic ignitor, bracket kit</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>High-bay industrial and warehouse lighting</li>
<li>Outdoor parking lot and security lighting</li>
<li>Street and area illumination</li>
<li>Manufacturing facility task lighting</li>
<li>OEM luminaire assembly and retrofit</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>400W S51 and M169 High Pressure Sodium lamp types</li>
<li>Industrial and commercial fixture housings rated for HID ballasts</li>
<li>Multi-voltage electrical systems (120V–480V)</li>
<li>Pulse-start ignition lamp circuits</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Philips Advance 71A8453-001D (exact same part)</li>
<li>Advance ballast kits with 400W S51/M169 configuration and 5-tap input</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Line-frequency (magnetic) ballast control systems</li>
<li>Dry film capacitor power factor correction</li>
<li>Standard pulse-start HID lamp ignition circuits</li>
<li>Weatherproof and enclosed fixture assemblies</li>
</ul>
