UL, EN and CE approved Conventional Heat Detector

Conventional Heat Detector,heat alarm 1)2 or 4 wire models 2) Fixed temperature and rate of rise 3) UL521, EN54-5 approved

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.

Product Features:

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)

Specification:

Response Temperature:	Fixed termperature: 57°C (135°F) or Rate-of-Rise
Ceiling Spacing:	40-50 foot rating for heat sensor
Reset Voltage:	less than 1 volt
Reset Time:	less than 1 second
Alarm Indicator:	LED continuously emitting red light
Remote Output:	25 mA max., diode gate
Temperature Range:	-10°C to 50°C
Permissible Current:	80mA maximum
Humidity:	0 to 95% RH, no condensation or icing
Alarm Contact:	(for 4-wire) NO or NC Operation, Form A: 1.0A@30VDC/0.5A@125VAC
Dimensions:	100mm (dia) x 46mm (ht) with base
Weight:	120g/set with base

UL, EN and CE approved Conventional Heat Detector