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Description
Main Features:
| 4-Wire network heat detector |
| MCU processing, eliminate false alarm |
| Low standby current |
| Anti-RFI &Anti-EMI |
| 9-35VDC wide operating voltage range |
| LED flashing visible in 360 degrees direction |
| Power supply non-polar input |
| Rustproof, mothproof, anti-light interference design |
| Execute criterion: GB4716, EN54-5 |
Technical specification:
| Model No. | SR-503-4 |
| Operating voltage | DC 9V-35V |
| Static current | 12mA(NC);2 mA (NO) |
| Alarm current | 5mA(NC); 15 mA (NO) |
| Alarm output | Relay output |
| Alarm temperature | Fixed temperature alarms: 57℃(135℉) |
| Installation | Ceiling mounted |
| Working environment | -10℃~+70℃ |
| Dimension | 100*48mm |
