Omron G2R-2-SN 24VAC (S) Mini Power Relay: Technical Guide, Applications and Installation

There is a reason certain relay and switch models appear in panel after panel across different industries: they simply work. The Omron G2R-2-SN 24VAC (S) Mini Power Relay is one of those models— it operates at 24V AC and has become a go-to choice for machine building applications.

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.

About the Omron G2R-2-SN 24VAC (S) Mini Power Relay

The Omron G2R-2-SN 24VAC (S) is a Mini Power Relay rated at 24V AC, built to handle machine building reliably over a long service life. Key engineering features include 500m+ worldwide sales record, proven mini relay design, and the unit mounts via socket + din rail.

The engineering case for the Omron G2R-2-SN 24VAC (S) Mini Power Relay rests on a clear set of advantages: 500m+ worldwide sales record, proven mini relay design. Operating voltage of 24V AC slots neatly into most European and global panel designs.

Specifications at a Glance

The table below summarises the main technical parameters of the Omron G2R-2-SN 24VAC (S). For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.

ParameterValue
Product TypeMini Power Relay
Coil / Operating Voltage24V AC
Contacts / Channels1 or 2 pole
Contact Current8 A
Key Features500M+ worldwide sales record, proven mini relay design
MountingSocket + DIN rail
Mechanical Lifetime10 million mechanical operations
Operating Temperature-40 °C to +70 °C
Compatible SocketP2RF-08

Industry Use Cases

The Omron G2R-2-SN 24VAC (S) Mini Power Relay is commonly specified for the following applications:

  • Machine building
  • Panel manufacturing
  • Building automation

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 G2R-2-SN 24VAC (S) is designed with exactly those conditions in mind.

The Omron G2R-2-SN 24VAC (S) is designed to be used with P2RF-08. Using a non-compatible socket model can compromise contact pressure and reduce overall service life, so always verify socket compatibility before ordering.

Installation Checklist

When mounting the Omron G2R-2-SN 24VAC (S) Mini Power Relay in a panel, pay attention to three things: the socket or rail type must be the correct Omron-specified match; the terminal wiring must use appropriate cable gauge; and there must be enough vertical clearance to allow the unit to be removed for service without disturbing adjacent wiring. Getting these details right at installation saves considerable time later.

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.

Omron G2R-2-SN 24VAC (S): Long-Term Value

Omron’s reputation in automation did not come from clever advertising. It came from decades of components performing reliably in factories, warehouses, and process plants around the world. The G2R-2-SN 24VAC (S) Mini Power Relay is a current embodiment of that engineering culture — nothing superfluous, nothing compromised.

Frequently Asked Questions

How do I install the Omron G2R-2-SN 24VAC (S)?

Mount the Omron G2R-2-SN 24VAC (S) Mini Power Relay on a 35 mm DIN rail using the compatible socket or directly as specified. De-energise the circuit before installation, connect cables at the rated cross-section, and tighten terminal screws to the torque values stated in the datasheet.

What is the electrical lifespan of the Omron G2R-2-SN 24VAC (S)?

Electrical lifespan depends on switching frequency and load type. At rated resistive load, Omron relay products typically achieve several hundred thousand to over a million operations. The exact figure for the Omron G2R-2-SN 24VAC (S) is stated in its technical datasheet.

Can the Omron G2R-2-SN 24VAC (S) switch inductive loads?

Yes, but inductive loads reduce contact lifespan due to higher arc energy at switch-off. For frequent inductive switching with the Omron G2R-2-SN 24VAC (S) Mini Power Relay, a suppression device — such as a varistor or RC snubber — is recommended across the load.

Is the Omron G2R-2-SN 24VAC (S) RoHS compliant?

Omron products conform to the RoHS Directive requirements. Specific compliance documentation for the Omron G2R-2-SN 24VAC (S) can be requested from your authorised Omron distributor.

What should I check during periodic maintenance of the Omron G2R-2-SN 24VAC (S)?

Inspect contact surfaces for pitting or discolouration, check terminal screws for loosening (particularly in high-vibration environments), and verify that the housing shows no thermal discolouration. Replace the unit if any of these signs are present.