New devices high sensitivity fire alarm heat detector
| Combination rate-of-rise and fixed temperature alarm |
| 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 |
| Remote LED indicator output (2 wire) |
| Rustproof, mothproof, anti-light interference design |
| Execute criterion: GB4716, EN54-5 |
Technical specification:
Model No. | SR-503-2 |
Operating voltage | DC 9V-35V |
Static current | ≤50uA |
Alarm current | 35mA(12V); 83 mA (24V) |
Alarm output | Remote LED indicator |
Alarm temperature | Rate-of-rise alarm: temperature rising rate>8℃ |
Installation | Ceiling mounted |
Working environment | -10℃~+50℃, Humidity ≤95%RH |
Dimension | 100*48mm |
Product Pictures:


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Our Services

our contact information:
Tel: 86- 755-89571625
Fax: 86- 755-89571207
skype :cnsumring03
TradeManager:sumring
Website: http://www.sumring.com
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