<h2>Overview</h2>
<p>The Eaton E57RAL18T111SD inductive proximity sensor is engineered for reliable non-contact metal detection in demanding industrial automation and motion control environments. This right-angle configured sensor features a compact 18 mm diameter housing and delivers consistent performance with minimal hysteresis, making it ideal for applications requiring precise object positioning and presence detection on machinery and control systems.</p>
<h2>Key Features</h2>
<ul>
<li><strong>5 mm sensing range</strong> – Non-contact detection of ferrous and non-ferrous metals with <1% sensing range accuracy</li>
<li><strong>Right-angle housing</strong> – M12 pigtail connector configuration optimized for space-constrained mounting</li>
<li><strong>Shielded design</strong> – Enhanced immunity to electrical noise and external interference; operates reliably in industrial environments</li>
<li><strong>360° viewable LED</strong> – Dual-color indicator for easy status verification and rapid troubleshooting during setup and operation</li>
<li><strong>NO PNP open collector output</strong> – 500 mA at 6-30 Vdc with 6-48 Vdc supply range for flexible control integration</li>
<li><strong>Wide operating temperature</strong> – Rated –25 to 70 °C (–13 to 158 °F) for hot or cold industrial zones</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Sensing Range:</strong> 5 mm (0.20 inch)</li>
<li><strong>Housing Diameter:</strong> 18 mm (M18)</li>
<li><strong>Body Style:</strong> Right-angle, shielded</li>
<li><strong>Sensing Face:</strong> Plastic (standard)</li>
<li><strong>Connector:</strong> M12 4-pin pigtail</li>
<li><strong>Output Type:</strong> NO (normally open) PNP open collector</li>
<li><strong>Output Current:</strong> 500 mA at 6–30 Vdc</li>
<li><strong>Supply Voltage:</strong> 6–48 Vdc</li>
<li><strong>Sensing Range Accuracy:</strong> <1%</li>
<li><strong>Operating Temperature:</strong> –25 to 70 °C (–13 to 158 °F)</li>
<li><strong>Protection:</strong> Short-circuit protected, epoxy-filled for shock and vibration resistance</li>
<li><strong>Series:</strong> Eaton E57 Premium+</li>
</ul>
<h2>Typical Applications</h2>
<p>The E57RAL18T111SD is widely used in:</p>
<ul>
<li>Conveyor and material handling systems – part detection and positioning</li>
<li>Manufacturing machinery – workpiece presence confirmation and reject control</li>
<li>Automated assembly lines – component tracking and flow control</li>
<li>Industrial packaging – product counting and bottle/can detection</li>
<li>Machine tool automation – spindle proximity sensing and limit switching</li>
<li>Pneumatic and hydraulic valve actuation – level and position indication</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>PLC input modules accepting 24 Vdc or 12 Vdc PNP logic signals</li>
<li>Eaton Cutler-Hammer programmable controllers and relays</li>
<li>Standard 24 Vdc industrial control systems</li>
<li>M12 4-pin connector interface (standard industrial automation)</li>
<li>Systems using DIN 43650 wiring standards</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<p>The E57RAL18T111SD replaces earlier Eaton E57 right-angle proximity sensors with similar pigtail configurations. Verify connector type and cable length with system documentation before ordering to ensure seamless integration. Eaton offers the E57RAL18T111SP (M12 connector variant) as an alternative in the same series.</p>
<h3>Works With</h3>
<ul>
<li>M12 industrial connector cables and adapters</li>
<li>EtherNet/IP and PROFINET gateway interfaces (when paired with appropriate signal converters)</li>
<li>Eaton iProx configuration and monitoring software (optional ProxView software for output switching)</li>
<li>Standard industrial wiring and conduit systems</li>
</ul>
