GRYA 3-Phase Voltage Relay GRV8 Series

Product Description

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Applications

 Control for connection of moving equipment(site equipment,agricultural equipment,refrigerated trucks).
 Control for protection of persons and equipment against the consequences of reverse running.
 Normal/emergency power supply switching.
 Protection against the risk of a driving load (phase failure).

 
Function Features
Controls its own supply voltage(True RMS measurement).
 Measuring frequency range:45Hz-65Hz.
 Voltage measurement accuracy<1%.
 Relay status is indicated by LED.



Packing List
1PCS 3-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

M460=3 Phase M265=3Phase +N
Function Over-voltage, Under-voltage, Asymmetry, Delay Time, Phase Sequence, Phase Failure
Monitoring Terminals L1-L2-L3 L1-L2-L3-N
Supply Terminals L1-L2 L1-N
Voltage Range 220-230-240-380-400-415-440-460(P-P) 127-132-138-220-230-240-254-265(P-N)
Rated supply frequency 45Hz-65Hz
Measuring range 176V-552V 101V-318V
Threshold adjustment voltage 2%-20% of Un selected
Adjustment of asymmetry threshold 5%-15%
Hysteresis Fixed 2%
Time Delay Adjustable 0.1s-10s ,10%
Temperature coefficient 0.05%/℃,at=20℃ (0.05℉,at=68℉ )
Output 1xSPDT
Current Rating 10A/AC1
Switching voltage 250VAC/24VDC
Reset Time 1000ms
Min.breaking capacity DC 500mW
Mechanical life 1x10000000
Electrical life(AC1) 1x100000
Operating temperature -20℃ to 55℃(-4℉ to 131℉)
Mounting/DIN rail Din rail EN/IEC 60715
Max.cable size(mmx2) solid wire max.1X2.5 or 2X1.5/with sleeve max.1X2.5(AWG 12)

Model Function Link 
GRV8-04 Three Phase Voltage Monitoring Relay https://www.ebay.com/itm/396195384039
GRV8-10 3 Phase Voltage Monitoring Relay With Phase Protection https://www.ebay.com/itm/394959729043
GRV8-S  3 Phase Over & Under Voltage Protector Relay LCD display https://www.ebay.com/itm/394959779510


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 Feb 6, 2026 at 01:43:46 PST, seller added the following information:

Datacaciques