General Details
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 |