UL Listed En Certified Heat Detector Fire Alarm

• Type: Heat Detector
• Anti-theft Alarm System Approach: Active
• Anti-Theft Alarm System Type: Fixed Temperature Detector
• Anti-Theft Alarm System-Wide: Point Control Alarm Detectors
• Anti-Theft Alarm System Distance: Common Detectors
• Types of Smoke Detectors: Heat Sensor
• Model NO.: HD912-4B
• Infrared Sensor Probe Type: Heat
• Infrared Sensor Installation: Ceiling
• Transport Package: box/certon
• Specification: UL and EN54
• Trademark: Sentek
• Origin: China
• HS Code: 85311000
• Production Capacity: 10000

Product Description

Conventional Heat Detector
All of the Sentek's HD912 series detectors meet the requirements of UL521 and EN 54-5 for use in fire 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.
 

Response Temperature:	57°C (135°F)
Ceiling Spacing:	50 foot rating for heat sensor
Reset Voltage:	less than 1 volt
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

 


Product Features:

• 2 or 4 wire models
• Advanced detection and discrimination algorithms
• Easy installation and maintenance
• Sleek low-profile 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)