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Level Control Relay GRL8-01 02

Function Features -In one device you can choose the following configurations: – 2 level control mode – 1 level control mode -Choice of function PUMP UP, PUMP DOWN. -Adjustable time delay on the output (0.1 – 10s). -Sensitivity adjustable by a potentiometer (5-100kΩ). -Galvanically separated supply voltage AC/DC 24-240V. – Relay status is indicated by LED. – 1-MODULE,DIN rail mounting.


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SKU GRL8 Category



  • Designed  for monitoring level in wellss, basins, reservoirs, tanks…..
Technical parameters GRL8-01 GRL8-02
Function 2 level contorl mode 2 or 1 level contorl mode
Supply terminals A1-A2
Voltage range AC/DC 24-240V(50-60Hz)
Input max.2VA
Supply voltage tolerance -15%;+10%
Sensitivity ( input resistance) adjustable in range 5 kΩ -100 kΩ
Voltage in electrodes max. AC 5 V
Current in probe AC <0.1 mA
Time response max. 400 ms
Max. capacity length 800 m (sensitivity 25kΩ), 200 m (sensitivity 100 kΩ)
Max. capacity of probe cable 400 nF (sensitivity 25kΩ), 100 nF (sensitivity 100 kΩ)
Time delay (t) adjustable, 0.1 -10 s
Accuracy in setting (mechanical) ± 10 %
Temperature coefficient 0.05%/℃,at=20℃(0.05%℉,at=68℉)
Output 1×SPDT
Current rating 1×10A(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+55℃(-4℉to131℉)
Storage temperature -35℃ to+75℃(-22℉to158℉)
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
Max.cable size(mm 2) solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12)
Tightening torque 0.8Nm
Dimensions 90×18×64mm
Weight 70g 72g
Standards EN 60255-1


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