UL, EN and CE approved Conventional Heat Detector

Conventional Heat Detector :

All of the Sentek’s HD912 series detectors meet the requirements of UL521 and EN 54-5 for use in fi re alarm

signaling systems, which provide fast and reliable response for heat 57°C (135°F) or Rate-of-Rise detection,

They are intended for use in 2-wire/4-wire Class A2 supervised zone circuits. The HD912 series detectors are

subject to panel compatibility limits and compliance with corresponding NFPA 72E standards, local codes, and

ordinances.

Specification:

2 or 4 wire models

Advanced detection and discrimination algorithms

Easy installation and maintenance

Sleek low-profi le housing design

Durable sensor head, no need for replacement

SMD circuit board design-satisfactory quality and reliability guaranteed

N/C (normal/close)-N/O (normal/open)selectable relay output

AR (Auto Reset) function for security systems (optional for 4 wire models) Sensor base option: standard and Shottky Diode

Five-year limited warranty

The range includes:

HD912-2                                     2 wire heat alarm

HD912-2L                                   2 wire heat alarm with remote LED output

HD912-4                                     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)