The Omron G2R-1-SN AC230/240 is a slim plug-in general-purpose relay with SPDT contacts rated 10 A at 250 VAC and 10 A at 30 VDC on a resistive load, driven by a 230/240 VAC coil. The S in the model code marks the plug-in socket version and the N the LED indicator. The relay measures approximately 35.5 by 29 by 13 mm and weighs about 20 g.
The G2R earns its place in a panel on width. At about 13 mm it is roughly half the width of an MY relay, so a row of PLC output interface relays takes half the DIN rail. It also carries the highest dielectric strength in this class, 5,000 VAC between coil and contacts, which is why it is chosen where a low-voltage control circuit has to be cleanly separated from a mains-voltage load.
Ratings and Characteristics
| Model | Contacts | Resistive rating | Socket |
|---|---|---|---|
| G2R-1-SN | SPDT (1 changeover) | 10 A at 250 VAC / 10 A at 30 VDC | P2RF-05-E (5-pin) |
| G2R-2-SN | DPDT (2 changeover) | 5 A at 250 VAC / 5 A at 30 VDC | P2RF-08-E (8-pin) |
Operate time is 15 milliseconds maximum, and release time is 10 milliseconds maximum for AC coils and 5 milliseconds maximum for DC coils. Insulation resistance is 1,000 megohms minimum at 500 VDC and dielectric strength is 5,000 VAC between coil and contacts. Mechanical durability is 10,000,000 operations minimum for AC coils and 20,000,000 for DC coils, and electrical durability is 100,000 operations minimum. Ambient operating temperature is -40 to 70 degrees C.
Coil Voltages
Standard AC coils are 24, 48, 110, 120, 230 and 240 VAC, and standard DC coils are 6, 12, 24 and 48 VDC. This item is the 230/240 VAC version.
Typical Applications
- PLC output interface: isolating a transistor or relay output card from the load it drives
- Solenoid valve and pneumatic manifold switching on packaging, filling and bottling lines
- Contactor coil control, where the relay carries the coil current and the PLC does not
- Pilot lamps, buzzers and signal towers on machine panels
- Motor direction and start interlocks in small drives and conveyor sections
- Heater and fan control in cabinets, ovens and drying tunnels
Socket and Accessories
This relay plugs into the P2RF-05-E 5-pin DIN-track socket. G2R-1 and G2R-2 use different sockets and cannot be swapped. Variants of the relay itself are available with a test button, with a built-in diode for DC coils, or with both.
Choosing Between G2R and MY
Choose the G2R where DIN rail width is tight or where the higher isolation between coil and contacts is needed. Choose the MY where more contacts are wanted in one body or where the panel already standardises on PYF sockets. Note that G2R electrical durability of 100,000 operations is lower than the MY figure, so on a load that switches continuously the MY or LY is the longer-lived choice.
Frequently Asked Questions
What is Omron G2R-1-SN?
It is a slim plug-in general-purpose relay with SPDT contacts rated 10 A at 250 VAC, fitted with an LED indicator, widely used as a PLC output interface relay.
What do the letters S and N mean in the model code?
S marks the plug-in version designed for a socket, and N marks the version with the LED indicator.
What is the difference between G2R-1-SN and G2R-2-SN?
G2R-1-SN has one changeover contact rated 10 A and uses a 5-pin P2RF-05-E socket. G2R-2-SN has two changeover contacts rated 5 A and uses an 8-pin P2RF-08-E socket.
Why does the G2R have 5,000 VAC dielectric strength?
The coil and contact sections are separated by a wider insulation barrier than in a standard miniature relay, which allows a 24 VDC control circuit to drive a 230 VAC load with a large safety margin.
Which socket fits this relay?
The P2RF-05-E 5-pin DIN-track socket.
Is there a version with a built-in diode?
Yes. DC-coil G2R models are available with a built-in diode and with a test button. Send us the existing part number and we will match the exact variant.
