<h2>Overview</h2>
<p>The <strong>LEDTRONICS BF3127-0PB</strong> is a miniature blue LED indicator lamp designed for 130V operation. It features a standard 9mm miniature bayonet (Ba9s) contact base and T3-1/4 form factor, making it a direct replacement for traditional incandescent indicators in industrial panels, machinery, and control systems. The LED technology delivers significant energy savings while maintaining reliable visual signaling for years.</p>
<h2>Key Features</h2>
<ul>
<li>Blue color LED for clear visual indication in industrial environments</li>
<li>130V DC/AC rated voltage for standard industrial control systems</li>
<li>Miniature bayonet base (Ba9s, 9mm) for direct replacement mounting</li>
<li>T3-1/4 miniature bulb form factor (1.10″ length × 0.408″ diameter)</li>
<li>Up to 90% energy savings compared to incandescent equivalents</li>
<li>Bipolar contact design for flexible wiring configurations</li>
<li>Extended lifespan: typical LED indicator life cycle of 50,000+ hours</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li>Part Number: BF3127-0PB</li>
<li>Rated Voltage: 130V DC/AC</li>
<li>Color: Pure Blue (465nm wavelength)</li>
<li>Base Type: Miniature Bayonet (Ba9s, 9mm)</li>
<li>Form Factor: T3-1/4 miniature lamp</li>
<li>Dimensions: 1.10″ L × 0.408″ D</li>
<li>LED Configuration: 7-LED array for bright, sunlight-visible output</li>
<li>Polarity: Bipolar contact (AC/DC compatible)</li>
<li>Certification: RoHS compliant</li>
<li>Energy Consumption: Significantly reduced vs. incandescent equivalents</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Industrial control panel indicator lights</li>
<li>Machinery status indicators (power-on, fault, running)</li>
<li>PLC and automation equipment visual feedback</li>
<li>Process monitoring and alarm indication</li>
<li>Electrical distribution and switchgear labeling</li>
<li>Test and measurement equipment indicators</li>
<li>HVAC and building management system indicators</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Industrial control panels with 130V DC/AC indicator lamp sockets</li>
<li>Standard miniature bayonet (Ba9s) receptacles</li>
<li>Allen-Bradley, Siemens, Mitsubishi, and other major PLC control systems</li>
<li>Legacy 130V incandescent indicator lamp installations</li>
<li>AC/DC dual-voltage control systems (bipolar configuration)</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Incandescent miniature indicator lamps with 9mm bayonet base</li>
<li>Equivalent 130V blue indicator lamps from competitor manufacturers</li>
<li>Standard T3-1/4 form factor indicator bulbs</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Bipolar/AC voltage systems: 120Vac and 130Vdc operation</li>
<li>Standard industrial wiring and panel layouts</li>
<li>Existing Ba9s indicator lamp sockets (no retrofit required)</li>
<li>LEDTRONICS lamp family: compatible with other BF3127 series voltages and colors</li>
</ul>
