Safety relay ESM

Euchner Safety relay ESM

Safety relay ESM

The ESM safety relay is a safety control system manufactured by Euchner, specializing in industrial safety engineering. The ESM safety relay is designed to ensure the safe operation of machinery and equipment by monitoring and controlling safety functions. It provides a reliable and effective means of controlling access to dangerous machinery and equipment by detecting faults and triggering safety measures in the event of a fault. The ESM safety relay is equipped with a variety of safety functions, including two-hand control, light curtains, and safety mats. It also features a modular design that allows for easy customization to meet the specific needs of any application. The ESM safety relay is compliant with international safety standards, making it a reliable and effective safety solution for any manufacturing environment. It is commonly used in automotive, packaging, and robotics applications.




The ESM safety relay from Euchner is a device designed to provide reliable safety monitoring for a wide range of safety devices and systems in industrial settings. It offers multiple safety functions, including monitoring of emergency stop buttons, safety gates, and light curtains. The relay is capable of performing dual-channel and single-channel operation, as well as offering cross-circuit detection for safe control of up to four safety devices. The ESM relay features diagnostic LEDs for simple troubleshooting and is designed to be compact for easy installation in control cabinets. It is a versatile safety solution that meets various safety standards, making it suitable for use in different industries and applications.

Specification Value
Input 2 NC or NO, 1 NC and 1 NO
Output 2 N/O and 1 N/C (with EDM contact)
Safety category Cat. 4 / PL e according to EN ISO 13849-1
Performance level PL e according to EN ISO 13849-1
SIL according to IEC61508 SIL 3
Supply voltage 24 VDC
Operating temperature -25 °C to +45 °C (-13 °F to +113 °F)
Response time < 25 ms
Diagnostic coverage > 90 %
Number of channels 2
Cross-fault monitoring Available (EDM contact)
LED indicator 2
Dimensions (W x H x D) 45 mm x 99 mm x 114 mm (1.772 in x 3.898 in x 4.488 in)
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