2 wire, 4 wire optional
General Details
Smoke Detector
Smoke detector SR-812 Series
SR-812DC-2 2-Wire Network Photoelectric smoke & heat alarm
SR-812DC-4 4-Wire Network Photoelectric smoke & heat alarm
Main Features
Power supply non-polar input
Infrared photoelectric sensor
MCU processing, eliminate false alarm
Network relay output/LED indicating alarm
SMT manufacturer technology, high stability
Dustproof, mothproof, anti-light interference design
Stainless steel shield in chamber, anti-RFI(20V/m-1GHz)
Execute criterion: GB4715,EN54-7, UL539
Technological details
Technical specification
| Model No. | SR-812PC-2 | SR-812PC-4 | SR-812DC-2 | SR-812DC-4 |
| Operating voltage | DC9~35V | |||
| Alarm temperature | N/A | N/A | 57℃ | 57℃ |
| Static current | 20uA | 13mA(NC);4mA(NO) | 20uA | 13mA(NC);4mA(NO) |
| Alarm current | 35mA@DC12V;83m@DC24V | 9mA(NC);19mA(NO) | 35mA@DC12V;83m@DC24V | 9mA(NC);19mA(NO) |
| Alarm output | Remote LED indicator | Relay output | Remote LED indicator | Relay output |
| Installation | Ceiling mounted | |||
| Sensitivity | 2.06%ft±1.3%ft | 0.15dB/m(±0.03dB/M) | ||
| Working environment | -10℃～+50℃(≤95%RH No congelation) | |||
| Dimension | ф100*46mm | |||
SR-504 Heat detector
2 wire; Dual LED indication
SR-502 Heat detector
2 wire & 4 wire optional;
SR-503 Heat detector
2 wire & 4 wire optional;