<h2>Overview</h2>
<p>The <strong>Phoenix Contact ST-OE2-24DC/48DC/100</strong> is an input solid state relay engineered for dependable control in industrial automation environments. Part number 2911692, this relay combines semiconductor-based switching with integrated protective circuits in both input and output stages, delivering fast, silent, and wear-free operation without mechanical contacts.</p>
<h2>Key Features</h2>
<ul>
<li>Plug-in design—integrates directly into basic Phoenix Contact terminal blocks for quick installation and field replacement</li>
<li>LED indicator on input side for visual status confirmation</li>
<li>Integrated protection circuits in both input and output stages to safeguard against transients and overload</li>
<li>Single normally-open (N/O) contact for relay output control</li>
<li>Zero mechanical wear—no moving contacts means extended service life and reduced maintenance</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Input Voltage:</strong> 24 V DC</li>
<li><strong>Output Voltage Range:</strong> 8–48 V DC</li>
<li><strong>Output Current:</strong> Maximum 100 mA</li>
<li><strong>Contact Type:</strong> 1 N/O (normally open)</li>
<li><strong>Connection Method:</strong> Plug-in into basic terminal blocks</li>
<li><strong>Manufacturer Part Number:</strong> 2911692</li>
</ul>
<h2>Typical Applications</h2>
<p>Solid state relays of this type are widely deployed in industrial automation for:</p>
<ul>
<li>Heating system control and temperature regulation</li>
<li>Lighting dimming and on/off switching</li>
<li>Motor soft-start and soft-stop circuits</li>
<li>Valve and actuator control</li>
<li>Motion systems where fast switching and vibration resistance are critical</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Phoenix Contact basic terminal blocks (PLC-BPT, PLC-BSC series)</li>
<li>DIN rail mounting systems via compatible terminal block housing</li>
<li>24 V DC control systems and PLC output modules</li>
<li>Loads rated for 8–48 V DC operation at 100 mA maximum</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<p>Verify compatibility with your system integrator before ordering, as direct replacement compatibility depends on your specific terminal block type and circuit requirements.</p>
<h3>Works With</h3>
<ul>
<li>Phoenix Contact PLC and automation control systems</li>
<li>Industrial 24 V DC control circuits</li>
<li>PROFINET and EtherNet/IP networks (via compatible controllers)</li>
<li>Standard DIN rail enclosures and industrial cabinets</li>
</ul>
