Eaton ES4T1R1RF1NB Safety Relay - CE Certified
Part Number: ES4T1R1RF1NB
Quick Summary
The Eaton ES4T1R1RF1NB safety relay is a compact device that ensures reliable machine safety in automated production lines. Engineers often struggle with integrating safety circuits that are both compact and compatible with modern PLC architectures. The design aligns with CE marking and IEC safety standards, with options for SIL-rated performance and robust enclosure protection to suit diverse environments. Its DIN-rail compatibility and clear diagnostics simplify panel layouts, reduce wiring time, and support quicker fault isolation. By delivering dependable protection for control circuits and enabling compliant shutdowns, it helps operations improve uptime, reduce risk, and lower total cost of ownership.
Product Information
Feature: Compact DIN-rail mounted design. Business Impact: Minimizes panel footprint and reduces wiring complexity, accelerating installation time. Application: Ideal for space-constrained safety circuits on conveyors and packaging lines, where every millimeter of panel space matters in automated environments. Feature: Configurable safety outputs and robust contact construction. Business Impact: Enhances risk mitigation and regulatory compliance by supporting appropriate safety functions across ISO 13849-1 and IEC 62061 frameworks. Application: Suitable for emergency-stop circuits and interlocks within assembly cells and robotic workstations. Feature: Diagnostics and status signals for preventive maintenance. Business Impact: Enables faster fault isolation and reduced unplanned downtime through at-a-glance health indicators and fault-latching reports. Application: Plant-wide safety monitoring aligned with PLC integration workflows. Feature: Wiring-friendly interfaces and PLC compatibility. Business Impact: Streamlines engineering time and reduces wiring errors, improving project ROI. Application: Broad use across packaging lines, material handling, and process equipment safety circuits. Feature: IEC safety-aligned design with rugged construction. Business Impact: Supports compliance documentation, safer operation, and longer service life in harsh industrial environments. Application: Suitable for factory automation lines, robotics cells, and other safety-critical applications.
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FAQs
To install, ensure the power is off, mount the unit securely to a standard DIN rail, and connect the safety contacts to the control circuit following the wiring diagram in the datasheet. Use appropriate shielded cable where required, maintain clearance for heat dissipation, and verify terminals are tightened to the recommended torque. After wiring, perform a functional test with your PLC to confirm safe interlock operation and LED indicators reflect fault status correctly.
The ES4T1R1RF1NB is CE marked and designed to meet applicable IEC safety standards for machine safety. Certification details such as SIL capability and IP enclosure ratings depend on the specific variant and configuration, so consult the datasheet for exact performance levels. This ensures you select the model that aligns with your risk assessment and regulatory requirements.
Yes. The ES4T1R1RF1NB is designed to integrate with common PLC input modules and safety PLC architectures. It supports typical 24V DC control circuits with configurable outputs for safe-stop or interlock functions. When wiring, follow PLC manufacturer guidelines for safe input wiring, use proper isolation, and verify that the PLC’s safety-rated I/O channels are configured for the monitored safety function.
Ideal applications include machine safety circuits on conveyors, packaging lines, assembly cells, and robotic workstations. It’s well suited for emergency-stop circuits, interlocks, and safety gate controls where compact form factor and reliable shutdown behavior are critical. Use in environments where DIN-rail mounting, clear diagnostics, and PLC compatibility drive faster commissioning and safer operation.
Perform periodic inspections of wiring integrity, mechanical mounting, and LED/status indicators to verify normal operation. Schedule functional tests per your risk assessment and IEC/ISO guidelines, and replace the unit if fault indicators persist after reset or if contact wear is detected. Maintain an up-to-date spare strategy to minimize downtime and ensure continuity of machine safety across production lines.