GRV8-01/02 Monitoring Voltage Relay

GRV8-01/02 monitoring voltage relay can protect electrical equipment and motors from over-voltage and under-voltage.

  • Normal/emergency power supply switching.
  • Controls its own supply voltage(True RMS measurement)
  • Users may select operation mode through the knob.
  • Voltage measurement accuracy of≤1%.
  • Relay status is indicated by LED.
  • 1-MODULE, DIN rail mounting.

Product Selection

Function Monitoring voltage
Voltage range DC12V,AC/DC24V-48V,AC/DC110V-240V,AC220V
Rated supply frequency 45Hz-65Hz
Output 1* SPDT

Technical Data

Supply terminals A1-A2
Hysteresis 5%-20% / 3%fixed
Supply indication Green LED
Time delay Adjustable 0.1s-10s,10%
Measurement error ≤1%
Run up delay at power-up 0.5s time delay
Konb setting accuracy 10% of the scale value
Reset time 1000ms
Temperature coecient 0.05%/ ℃, at=20℃ (0.05% ℉ at= 68 ℉ )
Current rating 10A(AC1)
Switching voltage 250VAC/24VDC
Min.breaking capacity DC 500mW
Output indication Red LED
Mechanical life 1*107
Electrical life(AC1) 1*105
Reset time max.200ms
Operating temperature -20℃ to +50℃ (-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
Max .cable size(mm) Solid wire max.1* 2. 5or 2* 1 .5 with sleeve max.1* 2. 5 (AWG 12)
Dimensions 90* 18 *64mm
Weight SPDT: W240 66g
Standards EN 61812-1, IEC6947-5-1

Video

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