Description
Features
- 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.
Single Function Time Relay GRT8-B1
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.
| 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%/℃,at=20℃(0.05%℉，at=68℉) | ||
| 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 | -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 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 | ||
