Omron PF113A-E Relay Socket: Technical Guide, Applications and Installation

Ask a panel builder which components they trust after midnight when nobody is around to troubleshoot, and you will hear brands like Omron come up immediately. The PF113A-E Relay Socket is a prime example of why — designed for LY4 relay mounting, built to keep running when it matters most.

Omron’s product range extends well beyond relays and switches. The company’s Omron Sensor portfolio covers inductive, photoelectric, and capacitive detection technologies — often integrated into the same panel alongside units like this one, creating a fully cohesive control system.

Omron PF113A-E — Product Profile

The Omron PF113A-E is a Relay Socket, built to handle LY4 relay mounting reliably over a long service life. Key engineering features include compatible with ly4 series, screw terminals, and the unit mounts via din rail.

On the bench, compatible with ly4 series, screw terminals stands out immediately. The specifications align with the control voltage standards used across manufacturing, building automation, and process control industries, reducing the need for additional conversion stages.

Technical Data Summary

The table below summarises the main technical parameters of the Omron PF113A-E. For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.

Where This Product Fits

The Omron PF113A-E Relay Socket is commonly specified for the following applications:

• Ly4 relay mounting
• 11-pin relay applications

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 PF113A-E is designed with exactly those conditions in mind.

The Omron PF113A-E is designed to be used with LY4 series. Using a non-compatible socket model can compromise contact pressure and reduce overall service life, so always verify socket compatibility before ordering.

Practical Installation Tips

Commissioning the Omron PF113A-E Relay Socket 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.

Performance You Can Rely On

From a total cost of ownership perspective, the Omron PF113A-E Relay Socket makes financial sense even when its purchase price is higher than alternatives. Reduced unplanned downtime, fewer replacement cycles, and lower maintenance labour costs add up to a clear advantage over the operational lifetime of a machine.

Frequently Asked Questions