<h2>Overview</h2>
<p>The <strong>Hubbell HBL2515</strong> is an industrial-grade Twist-Lock® Insulgrip® flanged inlet designed for 20A three-phase Y-connected power distribution. With NEMA L21-20P configuration, this connector provides reliable mating with Hubbell’s compatible plug series for applications requiring secure, polarized three-phase power connections up to 120/208V AC.</p>
<h2>Key Features</h2>
<ul>
<li>Twist-Lock® design ensures vibration-resistant connection in industrial environments</li>
<li>Insulgrip® nylon casing with brass blades for durability and corrosion resistance</li>
<li>Back-wired termination with #10-32 brass screw terminals (Phillips/Slotted/Robertson)</li>
<li>Accepts #16 to #8 AWG stranded copper wire for flexible installation</li>
<li>Includes mounting screws for flange-mounted installation</li>
<li>UL 498 and CSA C22.2 No.42 listed</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Amperage Rating:</strong> 20A</li>
<li><strong>Voltage:</strong> 120/208V AC, 3-Phase Wye</li>
<li><strong>Configuration:</strong> 4-Pole, 5-Wire Grounding (NEMA L21-20P)</li>
<li><strong>Housing Material:</strong> Nylon casing</li>
<li><strong>Blade Material:</strong> Brass</li>
<li><strong>Terminal Type:</strong> Back-wired screw terminal</li>
<li><strong>Wire Acceptance:</strong> #16 to #8 AWG stranded copper</li>
<li><strong>Terminal Screw:</strong> #10-32 brass (Phillips, Slotted, Robertson)</li>
<li><strong>Terminal Retainer:</strong> Clear polycarbonate</li>
<li><strong>Color:</strong> White</li>
<li><strong>Weight:</strong> 0.4 lbs</li>
<li><strong>UPC:</strong> 78358503857</li>
<li><strong>Certifications:</strong> UL 498, CSA C22.2 No.42, Federal Specification W-C-596</li>
</ul>
<h2>Typical Applications</h2>
<p>The HBL2515 flanged inlet is commonly used in:</p>
<ul>
<li>Industrial machinery control enclosures requiring three-phase power entry</li>
<li>Panel-mounted power distribution systems</li>
<li>Temporary power distribution and generator connection applications</li>
<li>Equipment requiring weatherproof three-phase inlet connections</li>
<li>Portable equipment and mobile power solutions</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>NEMA L21-20P plug configuration (mating device standard)</li>
<li>Three-phase Y-connected power systems (120/208V AC)</li>
<li>Industrial equipment rated for 20A three-phase inlet connection</li>
<li>Weatherproof covers and enclosures (flange-mounted installations)</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>HBL2515 (exact model match, original equipment)</li>
<li>Verify compatibility with your specific equipment before ordering to ensure NEMA configuration and voltage requirements match.</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Hubbell Twist-Lock® plug series rated for NEMA L21-20P configuration</li>
<li>Industrial three-phase power distribution panels and temporary power systems</li>
<li>Flexible power cord assemblies and extension reels</li>
</ul>
