2 wire; Dual LED indication
General Details
Heat detector:
SR-504 2-Wire network heat detector
Main Features:
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
Technological details
| Model number | SR-504 |
| 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>8ºC |
| Installation | Ceiling mounted |
| Working environment | -10ºC~+50ºC, Humidity ≤95%RH |
| Dimension | 100*48mm |
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;