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3 Phase Voltage Relay GRV8-03X to 08X

Function Features:-Controls its own supply voltage(True RMS measurement).-Set 8-level rated operating voltage through knob.- Measuring frequency range:45Hz-65Hz.- Voltage measurement accuracy<1%.- Relay status is indicated by LED.- 1-MODULE, DIN rail mounting.

SKU GRV8-03X to 08X Category




  • 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/emergency power supply switching.
  • Protection against the risk of a driving load(phase failure).


Technical parameters M460 M265
Function Monitoring 3-phase voltage
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 Unselected
Adjustment of asymmetry threshold 5%-15%
Hysteresis 2%
Phase failure value 70% of Un selected
70% of Un selected
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 scale value
Supply indication green LED
Output indication red LED
Reset time 1000ms
Output 1×SPDT
Current rating 10A/AC1
Switching voltage 250VAC/24VDC
Min.breaking capacity DC 500mW
Temperature coefficient 0.05%/℃,at=20℃(0.05%℉,at=68℉)
Mechanical life 1×107
Electrical life(AC1) 1×105
Operating temperature -20°C to +55°C (-4 °F to 131 °F)
Storage temperature -35°C to +75°C (-22 °F to 158 °F)
Mounting/DIN rail Din rail EN/IEC 60715
Protection degree IP40 for front panel/IP20 terminals
Operating position any
Overvoltage category
Pollution degree 2
Max.cable size(mm2) solid wire max.1 x2.5or 2×1.5/with sleeve max.1 x2.5(AWG 12)
Tightening torque 0.8Nm
Dimensions 90x18x64mm
Weight 61g-66g


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