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Single function 12V time relay controller 220V 12V GRT8-AB small
Single function 12V time relay controller 220V 12V GRT8-AB small
Product details
■overview
application
-Delay the connection or disconnection of lines, such as controlling the power on time of heating elements, the working time of water pumps, and fans
Delay disconnection.
characteristic
-High cost-effectiveness, single function time relay, delay can be directly set through the panel knob, convenient and intuitive.
-Two functional modes are available for selection:
A: Power on delay
B: off delay
-Ultra wide delay range, adjustable from 0.1 seconds to 10 days (10 levels).
-Available in AC/DC 12V-240V ultra wide operating voltage specifications.
-The working status of the relay is indicated by LED indicator lights.
-Ultra small size, only 18mm width, 35mm card rail installation.
■ Model and its meaning
■Main technical parameters
| GRTB-A1/B1 | GRTB-A2/B2 | |
| function | Type A: Power on delay; Type B: Delayed disconnection | |
| Rated control of power terminal | A1-A2 | |
| supply voltage | AC/DC 12-240V(50-60Hz) | |
| Rated power consumption control | AC 0.09-3VA/DC 0.05-1.7W | |
| supply voltage | AC 220V(50-60Hz) | |
| Power consumption | AC max.6VA/1.3W | AC max.6VA/1.9W |
| Allowable fluctuation range of power supply | -15%;+ 10% | |
| Delay range of power indicator light | Green LED | |
| enclose | 0.1 seconds to 10 days, normally open, normally closed | |
| Setting method setting | knob | |
| Fixed precision repetition | 10% | |
| Precision temperature wave | 0.2% | |
| Dynamic error output | 0.05%/℃,at=20℃(0.05%℉，at=68℉) | |
| Contact parameters | 1 set of conversion touch 1 × 16A (AC1) | 2 sets of conversion contacts 2 × 16A (AC1) |
| 250VAC/24VDC | ||
| Minimum Switching Power Output | 500mW | |
| Relay indicates mechanical lifespan | red led | |
| Lifespan (resistive load) | 1×10 | |
| Reset time working environment | 1×10 5 | |
| Temperature storage and transportation loop | Maximum 200ms | |
| Installation method for ambient temperature | -20℃ ~ +55℃ | |
| protection grade | -35℃ ~ +75℃ | |
| Installation position | 35mm card rail installation | |
| IP20 | ||
| arbitrary | ||
| Installation altitude | ≤ 2000 meters | |
pollution degree |
2 | |
| Wiring ability | 1 × 2.5mm or 2 × 1.5mm | |
| External dimensions | 90mm×18mm×64mm | |
| Weight symbol | W240-61g,A230-60g | W240- 82g,A230-80g |
| Joint Standard | GB14048.5,IEC60947-5-1,EN 61812-1 | |
■function diagram
■Wiring diagram
■Appearance and dimensions (mm)
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