Omron MY2IN 24VDC (S) Power Relay: Technical Guide, Applications and Installation
The Omron MY2IN 24VDC (S) is a Power Relay developed for engineers who understand that the cost of an unplanned stop far exceeds the cost of a quality component. Rated at 24V DC, it addresses real challenges found in control panels without overcomplicating installation or maintenance.
In a well-designed automation system, the sensing layer and the switching layer work in close coordination. Omron’s Omron Sensor range is engineered to feed signals directly into relays and controllers from the same manufacturer, minimising compatibility concerns and simplifying system validation.
Understanding the Omron MY2IN 24VDC (S) Power Relay
The Omron MY2IN 24VDC (S) is a Power Relay rated at 24V DC, built to handle control panels reliably over a long service life. Key engineering features include transparent cover, led coil-type indicator, high reliability, and the unit mounts via din rail socket.
Technically, the Omron MY2IN 24VDC (S) delivers transparent cover, led coil-type indicator, high reliability. Matching the 24V DC control bus requires no extra hardware, which keeps commissioning time short and the panel design clean.
Core Specifications
The table below summarises the main technical parameters of the Omron MY2IN 24VDC (S). For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.
| Parameter | Value |
|---|---|
| Product Type | Power Relay |
| Coil / Operating Voltage | 24V DC |
| Contacts / Channels | 2-pole (DPDT) |
| Contact Current | 10 A |
| Key Features | Transparent cover, LED coil-type indicator, high reliability |
| Mounting | DIN rail socket |
| Mechanical Lifetime | 10 million mechanical operations |
| Operating Temperature | -25 °C to +70 °C |
| Compatible Socket | PYF08A |
Application Scenarios
The Omron MY2IN 24VDC (S) Power Relay is commonly specified for the following applications:
- Control panels
- Motor control systems
- Industrial machinery
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 MY2IN 24VDC (S) is designed with exactly those conditions in mind.
The Omron MY2IN 24VDC (S) is designed to be used with PYF08A. Using a non-compatible socket model can compromise contact pressure and reduce overall service life, so always verify socket compatibility before ordering.
Getting It Right at Installation
One underrated aspect of working with Omron components like the MY2IN 24VDC (S) Power Relay is the consistency of the mounting system. If you have installed any other unit from the same family, the process is identical — same rail, same socket dimensions, same terminal layout. That repeatability genuinely speeds up panel assembly in high-volume projects.
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.
Why Engineers Choose Omron
Specifying the Omron MY2IN 24VDC (S) Power Relay also means specifying into an ecosystem. Omron’s portfolio covers relays, sensors, PLCs, power supplies, and more — all engineered to work together. When a component does eventually need replacing, compatibility with the rest of the system is guaranteed, which is something off-brand alternatives simply cannot offer.
Frequently Asked Questions
What is the difference between the Omron MY2IN 24VDC (S) and a mechanical contactor?
The Omron MY2IN 24VDC (S) Power Relay is designed for panel-level signal and load switching at the current ratings specified. A contactor is built for direct motor starting at higher currents. For applications within the rated capacity of the Omron MY2IN 24VDC (S), it offers faster switching, longer life, and a smaller footprint than a contactor.
How does temperature affect the Omron MY2IN 24VDC (S)?
Like all electromechanical devices, performance can be affected at the extremes of the operating temperature range. The Omron MY2IN 24VDC (S) is rated for use across a defined ambient temperature range — consult the datasheet for precise limits and any derating requirements at elevated temperatures.
Can I mount multiple Omron MY2IN 24VDC (S) units side by side on a DIN rail?
Yes. The Omron MY2IN 24VDC (S) Power Relay is designed for standard DIN rail assembly with adjacent units. Ensure adequate total load current is within the rail and busbar capacity, and that enclosure ventilation is sufficient for the combined heat dissipation.
Does the Omron MY2IN 24VDC (S) include a test facility?
Depending on the model variant, some Omron relay sockets include a manual test button or push-to-test function. Check the specific socket model specified for the Omron MY2IN 24VDC (S) to confirm whether this feature is available.
How long is the warranty on the Omron MY2IN 24VDC (S)?
Omron provides a standard 12-month manufacturer warranty on products purchased through authorised distributors. Extended warranty options may be available — contact your local Omron distributor for details.

