<h2>Overview</h2>
<p>The <strong>Philips Advance 71A7971-001D</strong> is an open core and coil ballast kit designed for 70W high pressure sodium (HPS) lamps operating at 60 Hz. This magnetic HID ballast provides the electrical regulation and lamp ignition support required for proper HPS lamp operation. The unit accepts input voltages of 120, 208, 240, or 277V AC, making it compatible with most commercial and industrial electrical systems.</p>
<h2>Key Features</h2>
<ul>
<li>Open core and coil design—forms the foundation for luminaire assembly</li>
<li>Multi-voltage input: 120, 208, 240, or 277V AC</li>
<li>Ballast factor 1.0 for full lumen output</li>
<li>Includes dry film capacitor, ignitor, and mounting bracket kit</li>
<li>Magnetic HID technology for proven long-term reliability</li>
<li>ANSI code S62 compliance</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li>Lamp Wattage: 70W</li>
<li>Lamp Type: High Pressure Sodium (HPS)</li>
<li>Input Voltage: 120/208/240/277V AC</li>
<li>Input Current: 0.35 A</li>
<li>Input Wattage: 96 W</li>
<li>Power Factor: 0.90</li>
<li>Frequency: 60 Hz</li>
<li>Ballast Factor: 1.0</li>
<li>Ballast Type: Magnetic HID (core and coil)</li>
<li>Dimmable: No</li>
<li>ANSI Code: S62</li>
</ul>
<h2>Typical Applications</h2>
<p>The 71A7971-001D is commonly used in:</p>
<ul>
<li>Outdoor area and parking lot lighting fixtures</li>
<li>Street lighting and roadway applications</li>
<li>Industrial facility and warehouse lighting</li>
<li>Commercial and municipal outdoor lighting systems</li>
<li>Luminaire OEM manufacturing and retrofit assemblies</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>70W High Pressure Sodium lamps (HPS)</li>
<li>Standard three-phase and single-phase electrical systems</li>
<li>Open core and coil HID luminaire assemblies</li>
<li>Commercial and industrial outdoor lighting systems</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<p>Verify compatibility with your OEM luminaire manufacturer or system integrator before ordering to ensure the ballast meets your specific fixture requirements.</p>
<h3>Works With</h3>
<ul>
<li>Philips Advance HPS lamp families</li>
<li>Dry film capacitors and ignitor modules</li>
<li>Standard mounting bracket hardware</li>
</ul>
