GRV8-01/02 Monitoring voltage relay

  • Protect electrical equipment and motors from over-voltage and
  • Normal/emergency power supply switching.
  • Controls its own supply voltage(True RMS measurement)
  • User may select operation mode through knob.
  • Voltage measurement accuracy≤1%.
  • Relay status is indicated by LED.
  • 1-MODULE,DIN rail mounting.

Enquire Now

1 Module


DIN Rail

Product Selection

FunctionMonitoring voltage
Voltage rangeDC12V,AC/DC24V-48V,AC/DC110V-240V,AC220V
Rated supply frequency45Hz-65Hz
Output1* SPDT

Technical Data

Supply terminalsA1-A2
Hysteresis5%-20% / 3%fixed
Supply indicationGreen LED
Time delayAdjustable 0.1s-10s,10%
Measurement error≤1%
Run up delay at power up0.5s time delay
Konb setting accuracy10% of scale value
Reset time1000ms
Temperature coecient0.05%/ ℃,at=20℃ (0.05% ℉ at= 68 ℉ )
Current rating 10A(AC1)
Switching voltage250VAC/24VDC
Min.breaking capacity DC500mW
Output indicationRed LED
Mechanical life1*107
Electrical life(AC1) 1*105
Reset timemax.200ms
Operating temperature-20℃ to +50℃ (-4 ℉ to 131 ℉ )
Storage temperature-35℃ to +75℃ (-22 ℉ to 158 ℉ )
Mounting/DIN railDin rail EN/IEC 60715
Protection degreeIP40 for front panel / IP20 terminals
Max .cable size(mm)Solid wire max.1* 2. 5or 2* 1 .5 with sleeve max.1* 2. 5 (AWG 12)
Dimensions90* 18 *64mm
WeightSPDT :W240 66g
StandardsEN 61812-1,IEC6947-5-1

Interested in Our Product?

Please submit the contact form below to speak with our product expert.