Reliable quality 9-35VDC a heat detector with relay output
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 |
Product Pictures:





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