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Single Function Time Relay GRT8-A2

Function Features:

– Single-function relay with a possibility of time setting by a potentiometer.

– Choice of 2 functions: A: Delay ON B: Delay OFF

– Time scale 0.1 s

– 10 days divided into 10 ranges.

– Relay status is indicated by LED.

– 1-MODULE, DIN rail mounting.

SKU GRT8-A2 Category



  • Suitable for applications where function and time requirements are known.
  • Time switch, possible to be used for pump decay time after switching the heating off, switching off fans.


Technical parametersGRT8-A1/B1GRT8-A2/B2GRT8-At/Bt
FunctionA: delay ON; B: delay OFF
Supply terminalsA1-A2
Voltage rangeAC/DC 12-240V(50-60Hz)
BurdenAC 0.09-3VA/DC 0.05-1.7W
Voltage rangeAC 230V(50-60Hz)
Power inputAC max.6VA/1.3WAC max.6VA/1.9W
Supply voltage tolerance-15%;+10%
Supply indicationgreen LED
Time Ranges0.1s-10days,ON,OFF
Time settingpotentiometer
Time deviation10%-mechanical setting
Repeat accuracy0.2%-set value stability
Temperature coefficient0.05%/℃,at=20℃(0.05%℉,at=68℉)
Current rating16A(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+55℃(-4℉to131℉)
Storage temperature-35℃ to+75℃(-22℉to158℉)
Mounting/DIN railDin rail EN/IEC 60715
Protection degreeIP40 for front panel/IP20 terminals
Operating positionany
Overvoltage categoryIII.
Pollution degree2
Max.cable size(mm 2)solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12)
Tightening torque0.4Nm
StandardsEN 61812-1,IEC6947-5-1

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