Omron MY4IN-CR-GS 110/120VAC Industrial Relay Overview

The Omron MY4IN-CR-GS 110/120VAC industrial relay is a versatile plug-in relay developed for industrial automation, electrical control systems, machine interfaces, and process management applications. Designed for dependable switching performance, this relay combines multi-contact flexibility with practical diagnostic and protection features suitable for demanding industrial environments.

This model operates with a 110/120VAC coil and includes a 4PDT contact arrangement, enabling multiple independent circuits to be controlled simultaneously through one relay coil. The relay also integrates a CR circuit for surge suppression, helping improve electrical stability and protecting connected control equipment from voltage spikes generated during switching.

Technical Features of Omron MY4IN-CR-GS 110/120VAC

The Omron MY4IN-CR-GS 110/120VAC relay is built around a 14-pin plug-in structure and provides four changeover contacts. Its compact form factor supports installation inside industrial control cabinets where organized wiring and efficient space utilization are important.

The relay includes an LED operation indicator, mechanical flag indicator, and lockable test button. These features simplify inspection, testing, and troubleshooting procedures in industrial control systems.

The integrated CR circuit helps suppress electrical surges and transient voltage spikes. This feature contributes to improved relay longevity and helps protect sensitive control equipment connected to the relay system.

Benefits of the Built-In CR Circuit

One of the major advantages of the Omron MY4IN-CR-GS 110/120VAC industrial relay is the inclusion of a CR surge suppression circuit. In many industrial applications, relay switching can generate electrical noise or transient voltage spikes that may affect nearby electronic equipment.

The CR circuit helps minimize these effects by reducing surge energy during switching operations. This can improve system stability, reduce electrical interference, and support more reliable operation in complex automation systems.

Industrial Applications

The Omron MY4IN-CR-GS 110/120VAC relay is suitable for a wide range of industrial applications, including:

  • Factory automation systems
  • Industrial control panels
  • Machine control equipment
  • HVAC automation systems
  • Process control systems
  • Signal interface applications
  • Alarm and monitoring circuits
  • Packaging and conveyor systems

Its combination of multi-contact switching and surge suppression makes it useful in environments where stable relay operation is critical.

Omron MY4IN-CR-GS 110/120VAC For more information about compatible industrial automation products, visit Omron industrial automation solutions.

Omron MY4IN-CR-GS 110/120VAC Frequently Asked Questions

What is the Omron MY4IN-CR-GS 110/120VAC?

It is a 4PDT industrial plug-in relay designed for automation and electrical control systems using a 110/120VAC coil.

What does the CR function do?

The CR circuit helps suppress voltage surges and electrical noise generated during relay switching operations.

Does this relay include an LED indicator?

Yes. The relay includes an LED operation indicator for visual status monitoring.

Why is surge suppression important?

Surge suppression helps protect sensitive electronic equipment and contributes to more stable industrial control system performance.

Can this relay be tested manually?

Yes. The relay includes a lockable test button that allows manual operation during maintenance and diagnostics.

What applications commonly use this relay?

It is commonly used in industrial automation systems, machine control panels, process systems, and signal interface applications.