Product Details Portlet

G2RG PCB Power Relay

Power Relay with 110 VDC 5 A Switching Capacity (Use 2 poles in series with 3 mm contact gap)

  • 2.8-mm contact gap (EN50091-1) satisfies the European requirement of UPS (uninterrupted power supply).
  • Offers high insulation with insulation distance above 8 mm and impulse withstand voltage of 10 kV between coil and contacts.
  • Standard model conforms to VDE standards.
RoHS Compliant
Model 2D/3D CAD ECAD(Download symbol,FootPrint,3DCAD)
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Note: This web page provides an excerpt from a datasheet. Refer to Product Datasheet and other applicable documents for more information.
Contact form
Rated coil voltage
Model number
packing unit
DPST-NO (2a) 12 VDC
24 VDC
G2RG-2A4 100 pcs/tray
Note: When ordering, add the rated coil voltage to the model number.

However, the notation of the coil voltage on the product case as well as on the packing will be marked as □□ VDC.
Coil Ratings
Rated voltage
Rated current
Coil resistance
12 VDC 66.6 180 80% max. 10% min. 140%
(at 23ºC)
Approx. 800 mW
24 VDC 33.3 720
Note: 1. The rated current and coil resistance are for a coil temperature of 23°C and have a tolerance of ±10%.
Note: 2. The operating characteristics given in the above table are for a coil temperature of 23°C.
Note: 3. The maximum allowable voltage is the maximum possible value of the voltage that can be applied to the relay coil.

Contact Ratings
Load Resistive load
Contact mechanism Single
Contact material Ag-alloy (Cd free)
Rated load 250 VAC, 8 A
Rated carry current 8A
Maximum switching voltage 380 VAC, 125 VDC
Maximum switching current 8 A
Failure rate (P level, reference value)
(See note.)
5 VDC, 10mA
Note:This value is for a switching frequency of 120 operations/min.

Contacts in line 2 pole
Resistive load
Rated load 5 A at 110 VDC
Rated carry current 8 A
Maximum switching voltage 125 VDC

Contact resistance
100 mΩ max.
Operate time 15 ms max.
Release time 5 ms max.
Maximum switching frequency Mechanical 18,000 operations/hr
Electrical 1,800 operations/hr (under rated load)
Insulation resistance
1,000MΩ min. (at 500 VDC)
Dielectric strength Between coil
and contacts
5,000 VAC, 50/60 Hz for 1 min
Between contacts of
different polarity
3,000 VAC, 50/60 Hz for 1 min
Between contacts of the same polarity 1,000 VAC, 50/60 Hz for 1 min
Impulse withstand voltage 10 kV (1.2 × 50 μs)
Vibration resistance Destruction 10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude)
Malfunction 10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude)
Shock resistance Destruction 1,000 m/s2
Malfunction 200m/s2 when energized
Endurance Mechanical 1,000,000 operations min. (at 18,000 operations/hr)
Electrical 10,000 operations min. (at 1,800 operations/hr under rated load)
Ambient operating temperature -40 to 70 ºC (with no icing or condensation)
Ambient operating humidity 5% to 85%
Weight Approx. 17g
Note.   The above values are initial values (at an ambient temperature of 23°C.)
  *1. Measurement conditions: 5 VDC, 1 A, voltage-drop method.
  *2. Measurement conditions: Measured with a 500 VDC megohmmeter at the same places as the dielectric strength.
* Average value
PCB Mounting Holes(BOTTOM VIEW)
Terminal Arrangement /
Internal Connections

(The coil has no polarity.)

Correct Use

●Differences with the G2R

The G2RG-2A4 has the same terminal arrangement as the G2R- 2A4 but the switching capacity and electrical endurance are different. Confirm that correct operation is possible in the actual oper- ating conditions before using in applications.