Omron G2R-1-SN 120VAC (S) Plug-in Relay Overview

The Omron G2R-1-SN 120VAC (S) plug-in relay is a slim industrial relay intended for control panels and interface applications using 120 VAC coil voltage. It is a practical choice for automation systems, building control panels, machine control circuits, and electrical cabinets where a reliable changeover relay is required.

This model has a single-pole SPDT contact configuration and a 10 A rated carry current. The SPDT structure allows one common terminal to switch between normally open and normally closed contacts, making it useful for control logic, signal transfer, and status-based switching.

Main Technical Details

The G2R-1-SN 120VAC (S) is designed for plug-in socket mounting. This helps panel builders create clean, modular layouts and enables maintenance teams to replace relays quickly. The relay includes a transparent case, LED indicator, and mechanical indicator, all of which improve visibility during operation.

The 120 VAC coil voltage makes this relay especially relevant in systems where 120 V AC control circuits are standard. Because it is part of the G2RS family, it is commonly paired with compatible Omron relay sockets for DIN rail or surface-mounted panel assemblies.

Typical Use Cases

This relay can be used for PLC output isolation, auxiliary control switching, alarm circuits, lighting control, motor control interface circuits, and general panel logic. It is not only about switching current; it also improves circuit separation and serviceability.

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Omron G2R-1-SN 120VAC (S) FAQ

What is the coil voltage of Omron G2R-1-SN 120VAC (S)?

The coil voltage is 120 VAC, making it suitable for AC control circuits using that voltage level.

Is this relay a plug-in type?

Yes. It is designed for plug-in socket mounting, which simplifies installation and replacement.

What contact form does it use?

It uses an SPDT contact form, also called a changeover contact.

Does it have visual indication?

Yes. It includes LED indication and a mechanical indicator, helping technicians confirm relay operation quickly.

Can it be used with PLC systems?

Yes. It is commonly used as an interface relay between PLC outputs and field devices, provided the electrical ratings match the application.