General Details

 Main features:

1.SR-504 is 2-Wire network heat detector

2.Combination rate-of-rise and fixed temperature alarm

3.MCU processing, eliminate false alarm

4.Low standby current

5.Anti-RFI &Anti-EMI

6.9-35VDC wide operating voltage range

7.LED flashing visible in 360 degrees direction

8.Power supply non-polar input

9.Remote LED indicator output (2 wire)

10.Rustproof, mothproof, anti-light interference design

11.Execute criterion: GB4716, EN54-5

Technical specification:

Model numberSR-504
Operating voltageDC 9V-35V
Static current≤50uA
Alarm current35mA(12V); 83 mA (24V)
Alarm outputRemote LED indicator
Alarm temperatureRate-of-rise alarm: temperature rising rate>8ºC
InstallationCeiling mounted
Working environment-10ºC~+50ºC, Humidity ≤95%RH
Dimension100*48mm