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GRT8-LM Staircase Switch Timer Delay Relay

-It is used for delayed switching of lights in the corridors, entrances, stairways, and halls or for the delayed finish of fans (WC, bathroom, etc.).

-10 functional modes
-It has a zero-crossing switching ability.
-Voltage range: AC 230 V, clamp terminals.
-Relay status is indicated by LED.
-1-MODULE, DIN rail mounting.


Download GRT8-LM catalog

SKU GRT8-LM Category


Function delay off reacting to contact switching
Supply terminals L-N
Voltage range AC 230V(50-60Hz)
Power input AC max.6VA/1.3W
Supply voltage tolerance -15%;+10%
Supply indication green LED
Time ranges AUTO:0.5-20min ON OFF
Time setting potentionmeter
Time deviation 10%-mechanical setting
Repeat accuracy 0.2%-set value stability
Mininum power time 200ms
Glow tubes connetions Yes(N-3 or L-3)
Max.amount of glow lamps 230V,max.75pcs(Measured with glow lamp0.68mA/230VAC)
Temperature coefficient 0.05%/℃,at=20℃(0.05%°F,at=68°F)
Output 1×SPDT(zero crossing switching)
Current rating 16A/AC1
Switching voltage 250VAC/24VDC
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+55℃(-4°F to 131°F)
Storage temperature -35℃to+75℃(-22F to 158°F)
Mounting/DIN rail Din rail EN/IEC60715
Protection degree IP40 for front panel/IP20 terminals
Operating position any
Overvoltage cathegory III.
Pollution degree 2
Max.cable size(mm²) solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12)
Dimensions 90×18×64mm
Weight 65g
Standards EN61812-1,IEC60669-2-3,IEC60947-5-1


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