General Details
SR-812DC-4 4-Wire Network Photoelectric smoke & heat alarm
1.Power supply non-polar input
2.Infrared photoelectric sensor
3.MCU processing adopted, eliminate false alarm
4.Network output
5.SMT manufacturer technology, high stability
6.Dustproof, mothproof, anti-light interferences design
7.Stain steeless shield, anti-RFI(20V/m-1GHz)
Technical specification:
| Model No. | SR-812DC-4 | 
| Operating voltage | DC9~35V | 
| Alarm temperature | 57℃ | 
| Static current | 13mA(NC);4mA(NO) | 
| Alarm current | 9mA(NC);19mA(NO) | 
| Alarm output | Relay output | 
| Installation | Ceiling mounted | 
| Sensitivity | 2.06%ft±1.3%ft | 
| Working environment | -10℃~+50℃(≤95%RH No congelation) | 
| Dimension | 100*46mm | 
 
  
 
 
 







