Feature of Geya Grt8-A/B Time on/off Delay Relay
- Single-function relay with 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.
Application of Geya Grt8-A/B Time on/off Delay Relay
- Suitable for applications where function and time requirements are know.
- Time switch , possible to be used for pump decay time after switching heating off , switching of fans.
Specification of Geya Grt8-A/B Time on/off Delay Relay
| Technical parameters | GRT8-A1/B1 | GRT8-A2/B2 | GRT8-At/Bt |
| Function | A: delay ON; B: delay OFF | ||
| Supply terminals | A1-A2 | ||
| Voltage range | AC/DC 12-240V(50-60Hz) | ||
| Burden | AC 0.09-3VA/DC 0.05-1.7W | ||
| Voltage range | AC 230V(50-60Hz) | ||
| Power input | AC max.6VA/1.3W | AC max.6VA/1.9W | |
| Supply voltage tolerance | -15%;+10% | ||
| Supply indication | green LED | ||
| Time Ranges | 0.1s-10days,ON,OFF | ||
| Time setting | potentiometer | ||
| Time deviation | 10%-mechanical setting | ||
| Repeat accuracy | 0.2%-set value stability | ||
| Temperature coefficient | 0.05%/ºC,at=20ºC(0.05%ºF,at=68ºF) | ||
| Output | 1×SPDT | 2×SPDT | 1×SPDT(del)+1×SPDT(ins) |
| Current rating | 16A(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 | -20ºC to+55ºC(-4ºFto131ºF) | ||
| Storage temperature | -35ºC to+75ºC(-22ºFto158ºF) | ||
| Mounting/DIN rail | Din rail EN/IEC 60715 | ||
| Protection degree | IP40 for front panel/IP20 terminals | ||
| Operating position | any | ||
| Overvoltage category | 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 | 0.4Nm | ||
| Dimensions | 90×18×64mm | ||
| Weight | W240-61g,A230-61g | W240-81g,A230-80g | |
| Standards | EN 61812-1,IEC6947-5-1 | ||




