heat detector for file alarms or other systems with UL521/CE/EN54-5 approved

Product Features:

.2 or 4 wire modles

.Advanced detection and discrimination algorithms

.Easy installation and maintenance

.Sleek low-profile housing design

.Durable sensor head , no need to replacement

.SMD circuit board design satisfactory quality and reliability guaranteed

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

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

.Five years 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)

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