UL521&En54-5 Fire Alarm Signaling Systems Smoke and Heat Detector

• Type: Smoke Alarm
• Signal Transmission: Smoke
• Certification: CE
• Response Temperature: 57°c (135°f) or Rate-of-Rise
• Ceiling Spacing: 40-50 Foot Rating for Heat Sensor
• Reset Voltage: Less Than 1 Volt
• Model NO.: HD751
• 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
• Transport Package: Color Box
• Specification: EN54-5
• Trademark: Sentek
• Origin: China
• HS Code: 8531100000
• Production Capacity: 50000/Month

Product Description

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
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

UL521&EN54-5 Fire Alarm Signaling Systems Smoke and Heat Detector


 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
other info:
HD751-2            2 wire heat alarm
HD751-2L          2 wire heat alarm with remote LED output
HD751-4            4 wire heat alarm (12/24VDC)
HD751-4B          4 wire heat alarm with buzzer (12/24VDC)
HD751-4AR        4  wire heat alarm with auto-reset function (12/24VDC)
HD751-4ARB      4 wire heat alarm with auto-reset function and buzzer (12/24VDC)
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