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Power outage delay time relay GRT8-D adjustable fully automatic 12v 220v 48v
Power outage delay time relay GRT8-D adjustable fully automatic 12v 220v 48v
Product details











overview
■ Application
-Used in situations where backup power supply is delayed shutdown (emergency lighting, voltage faults, emergency ventilators, fire door control).
■ Characteristics
-The delay range can be set from 0.1s-10min (knob setting).
-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.
Product model and its meaning

Main technical parameters
| GRT8-D | |
| function | Off-delay Operation |
| power terminal | A1-A2 |
| Rated control power supply voltage | AC/DC 12-240V(50-60Hz) |
| Power consumption | AC 0.09-3VA/DC 0.05-1.5W |
| Allowable fluctuation range of power supply | -15%;+ 10% |
| Power indicator light | Green LED |
| Delay range | 0.1s-10min |
| Setting method | knob |
| Setting accuracy | 10% |
| repeatability | 0.2% |
| Minimum power on time | 3s |
| Temperature fluctuation error | 0.05%/℃,at=20℃ |
| Output contact parameters | 1×SPDT |
| 16A/ AC1 | |
| 250VAC/24VDC | |
| Minimum switching power | 500mW |
| Output relay indication | red led |
| mechanical life | 1×106 |
| Electrical lifespan (resistive load) | 5×104 |
| Reset time | Maximum 200ms |
| Ambient Temperature | -20℃ ~ +55℃ |
| Storage and transportation environment temperature | -35℃ ~ +75℃ |
| Installation method | 35mm card rail installation |
| protection grade | IP20 |
| Installation position | arbitrary |
| Installation altitude | ≤ 2000 meters |
| pollution degree | 2 |
| Wiring ability | 1 × 2.5mm or 2 × 1.5mm ² |
| External dimensions | 90mm×18mm×64mm |
| weight | 62g |
| Compliant with standards | GB14048.5,IEC60947-5-1,EN 61812-1 |
Wiring diagram

function diagram

Appearance and size






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