GEYA Single Phase Voltage Monitoring Relay GRV8

Product Description

Applications

Protect electrical equipment and motors from over-voltage and under-voltage
Normal/emergency power supply switching.

 
Function Features
Controls its own supply  voltage (True RMS measurement).
Voltage measurement accuracy<1%.
Relay status is indicated by LED.



Packing List
1PCS single phase voltage relay and manual

If you buy more than 2 PCS,We will send you 1 PCS of rail and 1 PCS of screwdriver as gift!


Technical Data

GRV8-01 GRV8-02
Function Over-voltage, Under-voltage, Asymmetry, Delay Time, Phase Sequence, Phase Failure
Rated supply voltage DC12V, AC/DC24V-48V, AC/DC110V-240V, AC220V
Rated supply frequency 45Hz-65Hz
Hysteresis 5%-20% 3% fixed
Time delay 0.1s-10s
Temperature coefficient 0.05%/℃,at=20℃ (0.05℉,at=68℉ )
Output 1xSPDT
Current Rating 10A/AC1
Switching voltage 250VAC/24VDC
Min.breaking capacity DC 500mW
Mechanical life 1x10000000
Electrical life(AC1) 1x100000
Operating temperature -20℃ to 55℃(-4℉ to 131℉)
Mounting Din rail 35mm
Max.cable size(mmx2) solid wire max.1X2.5 or 2X1.5/with sleeve max.1X2.5(AWG 12)

More Relay for your consider

Model Function Link UK 
GRV8-01/02 Over Under Voltage Monitoring Relay 1P https://www.ebay.co.uk/itm/393480531651
GRV8-SV LCD Digital Display Voltage Protection 1P https://www.ebay.co.uk/itm/396639421170
GRV8-VW Isolation Voltage Monitoring Relay 1P https://www.ebay.co.uk/itm/395089386598
GRV8-UV Output Voltage Control Relay Phase Sequence Phase Failure 1P/3P https://www.ebay.co.uk/itm/397182990941
GRV8-03/04/05 Over Under Voltage Monitoring Relay 3P https://www.ebay.co.uk/itm/393480531696
GRV8-10 Voltage Monitoring Relay With Phase Protection 3P https://www.ebay.co.uk/itm/395878022413
GRV8-S LCD Digital Display Voltage Protection 3P https://www.ebay.co.uk/itm/393599679004

We will process your order within 1 business day upon payment except holidays and weekends. Once I update tracking number, orders can not be canceled. 


Economy shipping:

all economy shipping parcels dnot comwith tracking information or only provide tracking information when parcels are in China. If you haven't recieved your parcels after wait a long time, please contact your local post office to check your parcel by providing your recipient's name and mobile phone number. 


Standard shipping:

standard shipping parcels provide whole tracking information. Suggested!


Expedited shipping:

DHL is the default. UPS or FEDEX can be choosen as well.If you buy more than 15PCS,We will send items to you by airleft by free!

If you have any requirements about expedited shipping service, please contact me free. 

We only accept payment via Paypal at present. If you want to pay by other method, please contact me.


Please read the item description and check the pictures carefully before making orders. Return or refund is available if:
 
1. The item was damaged in transit.
2. Product quality problem.
 

When you submit a return or refund application, please 

1. Provide a detailed problem description and photos so that we can deal with it as soon as possible. 

2. Please obey my requirments about packing of return goods. After warehouse staff recieve and check your parcel is ok, then I will refund you.

Zhejiang Geya Electrical Co., Ltd 

In the past 10 years, Geya has been focusing in low voltage electrical and automation control items research, development and production. We have more than ten years of production experience and have CE, CB and other international certifications. Customization service is also provide.


On 21-Jan-2026 at 03:40:30 GMT, seller added the following information:

Datacaciques