Omron MY4IN-GS 110/120VAC Power Relay: Technical Guide, Applications and Installation

When a production line stops unexpectedly, the first question is always “why didn’t we catch this earlier?” The Omron MY4IN-GS 110/120VAC Power Relay — rated at 110/120V AC — is the kind of component that prevents that conversation from happening in the first place. It is built for machine control panels and conditions that demand consistency.

Many engineers working with this product also specify Omron Omron Sensor solutions on the same project. The shared ecosystem means signal levels, cable standards, and mounting accessories align across product families — a practical advantage that saves time during panel design and commissioning.

Omron MY4IN-GS 110/120VAC Overview

The Omron MY4IN-GS 110/120VAC is a Power Relay rated at 110/120V AC, built to handle machine control panels reliably over a long service life. Key engineering features include gs din rail socket compatible, 4-pole switching, and the unit mounts via gs din rail socket.

From a technical standpoint, the Omron MY4IN-GS 110/120VAC offers gs din rail socket compatible, 4-pole switching. Engineers who have worked with the previous generation will notice the same attention to detail that made the earlier models popular— with 110/120V AC compatibility built in.

Key Technical Parameters

The table below summarises the main technical parameters of the Omron MY4IN-GS 110/120VAC. For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.

Typical Application Areas

The Omron MY4IN-GS 110/120VAC Power Relay is commonly specified for the following applications:

• Machine control panels
• Energy distribution systems

Across these use cases, the consistent thread is a need for dependable switching over a large number of operations, often in environments where an unplanned fault would create significant disruption. The Omron MY4IN-GS 110/120VAC is designed with exactly those conditions in mind.

The Omron MY4IN-GS 110/120VAC is designed to be used with GS series socket. Using a non-compatible socket model can compromise contact pressure and reduce overall service life, so always verify socket compatibility before ordering.

Mounting and Commissioning

Commissioning the Omron MY4IN-GS 110/120VAC Power Relay is straightforward. Snap or screw it into position on the DIN rail, connect cables at the correct terminals, and confirm polarity where applicable. During the first powered test, verify that the indicator LED (where fitted) responds correctly and that the output contacts behave as expected under a controlled test load.

For ongoing maintenance, periodically inspect for contact discolouration, check terminal screws for loosening, and look for any signs of heat stress on the housing. Catching these early avoids the much larger cost of an unplanned production stop.

The Case for Choosing Omron

Alternatives exist at lower price points, and some perform adequately in light-duty applications. But in continuous-operation environments, the Omron MY4IN-GS 110/120VAC Power Relay consistently outlasts them — not because of a single dramatic feature, but because every detail, from contact material to housing design, has been optimised for the conditions that industrial use actually creates.

Frequently Asked Questions