Omron G2R-2-SNI 230VAC (S) Mini Power Relay: Technical Guide, Applications and Installation
Industrial automation decisions are rarely reversed quickly. Choosing the Omron G2R-2-SNI 230VAC (S) Mini Power Relay for AC control circuits applicationsat 220/240V AC is the kind of decision that stays looking smart years later, when the system is still running without issues.
For projects where sensing and switching decisions need to be made together, Omron’s Omron Sensor products are a natural companion to this unit. Both families are built to the same quality standards and documented to the same CE and UL requirements, which simplifies the declaration of conformity process.
What Is the Omron G2R-2-SNI 230VAC (S) Mini Power Relay?
The Omron G2R-2-SNI 230VAC (S) is a Mini Power Relay rated at 220/240V AC, built to handle AC control circuits reliably over a long service life. Key engineering features include led indicator, dual contact, ac coil, and the unit mounts via socket + din rail.
What separates this unit from generic alternatives is in the details: led indicator, dual contact, ac coil. The coil operates at 220/240V AC, making it straightforward to match to existing control voltage buses without additional transformers or converters.
Technical Specifications
The table below summarises the main technical parameters of the Omron G2R-2-SNI 230VAC (S). For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.
| Parameter | Value |
|---|---|
| Product Type | Mini Power Relay |
| Coil / Operating Voltage | 220/240V AC |
| Contacts / Channels | 2-pole (DPDT) |
| Contact Current | 8 A |
| Key Features | LED indicator, dual contact, AC coil |
| Mounting | Socket + DIN rail |
| Mechanical Lifetime | 10 million mechanical operations |
| Operating Temperature | -40 °C to +70 °C |
| Compatible Socket | P2RF-08 |
Where Is It Used?
The Omron G2R-2-SNI 230VAC (S) Mini Power Relay is commonly specified for the following applications:
- Ac control circuits
- Panel building
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-SNI 230VAC (S) is designed with exactly those conditions in mind.
The Omron G2R-2-SNI 230VAC (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 Notes
A few installation details make a tangible difference with the Omron G2R-2-SNI 230VAC (S) Mini Power Relay. Using the correct Omron socket eliminates contact resistance mismatch. Leaving adequate clearance around the unit supports thermal dissipation in dense panel layouts. And ensuring terminal screw torque is within spec prevents the kind of creeping resistance that causes intermittent faults months 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.
Why Choose the Omron G2R-2-SNI 230VAC (S)?
The case for choosing the Omron G2R-2-SNI 230VAC (S) Mini Power Relay is not built on marketing alone. It rests on measurable factors: documented mechanical and electrical lifespan ratings, certifications that satisfy CE and UL requirements, and a global spare parts network that means you can source a replacement quickly when a unit eventually reaches end of life.
Frequently Asked Questions
How do I install the Omron G2R-2-SNI 230VAC (S)?
Mount the Omron G2R-2-SNI 230VAC (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-SNI 230VAC (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-SNI 230VAC (S) is stated in its technical datasheet.
Can the Omron G2R-2-SNI 230VAC (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-SNI 230VAC (S) Mini Power Relay, a suppression device — such as a varistor or RC snubber — is recommended across the load.
Is the Omron G2R-2-SNI 230VAC (S) RoHS compliant?
Omron products conform to the RoHS Directive requirements. Specific compliance documentation for the Omron G2R-2-SNI 230VAC (S) can be requested from your authorised Omron distributor.
What should I check during periodic maintenance of the Omron G2R-2-SNI 230VAC (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.

