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GRL8-01/02 Level control relay

GRL8-01/02 level control relay is designed for monitoring level in wells, basins, reservoirs, tanks. In one device you can choose the configurations: 2 level control mode or 1 level control mode.

  • 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 (5-100kȍ).
  • Galvanically separated supply voltage AC/DC 24-240V.
  • Relay status is indicated by LED.
  • 1-MODULE,DIN rail mounting.
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Product Selection

Function 2 level control mode 2 or 1 level control mode
Voltage range AC/DC 24-240V(50-60Hz)
Output 1 SPDT

Technical Data

Supply terminals A1-A2
Input max.2VA
Supply voltage tolerance -15%;+10%
Sensitivity ( input resistance) Adjustable in range 5 k ȍ -100 k ȍ
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. the capacity of the probe cable 400 nF (sensitivity 2KΩ), 100 nF (sensitivity 100KΩ)
Time delay (t) Adjustable, 0.1 -10 s
Accuracy in setting (mechanical) ± 10 %
Temperature coecient 0.05%/, at=20 (0.05 at 68 )
Current rating 10A AC1
Min.breaking capacity DC 500mW
Output indication Red LED
Mechanical life 1*10000000
Electrical life(AC1) 1*100000
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 .5o r 2* 1 .5 with sleeve max.1 *2 .5( AWG 12 )
Dimensions 90 *18 *64mm
Weight 61g / 81g
Standards EN 60255-1

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