heat detector, heat alarm HD912 series with UL521 and EN54-5 approval . 1)2 or 4 wire modles 2)Advanced detection

heat detector, heat alarm

 Feartures:

1)2 or 4 wire modles

The range includes:HD912-2 2 wire heat alarmHD912-2L 2 wire heat alarm with remote LED outputHD912-4 4 wire heat alarm (12/24VDC)HD912-4B 4 wire heat alarm with buzzer (12/24VDC)HD912-4AR 4 wire heat alarm with auto-reset function (12/24VDC)HD912-4ARB 4 wire heat alarm with auto-reset function and buzzer (12/24VDC)

2)Advanced detectiona and discrimination algorithms

3)Easy installation and mantenance

4)Sleek low-profil housing design

5)Durable sensor head , no need to replace

6)Normai open and normal closed selectable rely output

7)Five years limited warranty

   

UL approved Heat detector