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GEYA GRV8-S 3-Phase Voltage Relay With Display

Product Description

Applications

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

 
Function Features
  -  F unction:   Overvoltage and Undervoltage monitoring 
                           Phase failure and phase sequence protection 
  - Controls its own supply voltage(True RMS measurement).
  - LCD display.
  - Measuring frequency range:45Hz-65Hz.
  - Voltage measurement accuracy<1%.
 - 2-MODULE,DIN rail mounting.



Packing List
1PCS GRV8-S 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

Technical parameters GRV8-SN GRV8-SP
Function Monitoring 3-phase voltage
Monitoring terminals L1-L2-L3-N L1-L2-L3
Voltage range(Un) 127-132-138-220-230
-240-254-265(P-N) 		220-230-240-380-400
-415-440-460(P-P)
Rated supply frequency 45Hz-65Hz
Measuring range 70V-400V 130V-650V
Measurement error ≤1%
Hysteresis 2%
Phase failure value 50% of Un selected
Time deviation ≤5%
Temperature coefficient 0.05%/℃,at=20℃(0.05%℉，at=68℉)
Output 2×SPDT
Current rating 8A/AC1
Switching voltage 250VAC/24VDC
Min.breaking capacity DC 500mW
Mechanical life 10000000
Electrical life(AC1) 100000
Operating temperature -20℃ to +55℃（-4℉ to 131℉）
Storage temperature -35℃ to +75℃（-22℉ to 158℉）
Mounting/DIN rail Din rail EN/IEC 60715
Protection degree IP40 for front panel/IP20 terminals
Operating position any
Overvoltage cathegory Ⅲ
Pollution degree 2
Tightening torque 0.4Nm
Dimensions 90×36×64mm
Weight 100g 109g 

Parameter setting range

Parameters Setting range Step Factory default Remarks
Rate voltage(Un) 127-132-138-220-230
-240-254-265(P-N) 		220V GRV8-SN
220-230-240-380-400
-415-440-460(P-P) 		380V GRV8-SP
Over voltage Operation value OFF,(Un+1)...350
OFF,(Un+1)...600 		1V 253V 437V GRV8-SN
Delay time 0.1...20s 0.1S 2S GRV8-SP
Under voltage  Operation value 80...(Un-1),OFF 1V 187V GRV8-SN
Delay time 150...(Un-1),OFF 1V 323V GRV8-SP
Asymmetry Operation value OFF-5%...20% 1% 8%
Delay time 0.1...20s 0.1S 2S
Phase sequence protection ON-OFF ON
Start-reset delay time 0.3...30s 0.1s 0.3s
Auto-reset ON-OFF ON
Note:"ON" means activating protection function,and "OFF" means inactivating protection function.


More Relay for your consider

Model Function
GRV8-01/02 Single phase Voltage Monitoring Relay
GRV8-03-06 Three phase Voltage Monitoring Relay
GRV8-10 3 Phase 2SPDT 
GRV8-VW Single Phase Isolation Voltage Monitoring Relay
GRV8-S Three Phase LCD display 2SPDT 


Distribution Box

Enclosure (IP 65) Link
5/8/12/ WAY https://www.ebay.com/itm/116451930640

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 do not come with 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.


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On Feb 15, 2025 at 09:58:24 PST, seller added the following information:

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