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Home > Products > Photoelectric Fire Heat Temperature Detector
Photoelectric Fire Heat Temperature Detector
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Product: views:39Photoelectric Fire Heat Temperature Detector 
Unit Price: Negotiated
Min.Order:
Supply:
Delivery: Shipment within days since the date of payment
Valid until: Long Term
Updated on: 2020-12-03 09:20
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Product Details

Photoelectric Fire Heat Temperature 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 Description

Specification: 

Product Name:

Photoelectric Fire Heat Temperature Detector

Item

HD912-2/2L

Response Temperature:

Fixed termperature: 57°C (135°F)

Rate-of-Rise: CLASS 2 (EN54-5);  or  8°C/Min (UL521)

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

Photoelectric Fire Heat Temperature Detector

Feartures:

1)2 or 4 wire modles

2)Advanced detectiona and discrimination algorithms

3)Easy installation and mantenance

4)Sleek low-profil housing design

5)Durable sensor head , no need to replace

6)Normai open and normal closed selectable rely output

7)SMD circuit board design-satisfactory quality and reliability guaranteed
8) AR (Auto Reset) function for security systems (optional for 4 wire models) Sensor base option: standard and      Shottky Diode
9) Five-year limited warrantyFive 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)

Model 2/4
wire
Voltage
DC
(Min./Max.)
Standby
Current
(Max.)
Alarm
Current
(12/24V)
Surge
Current
(Max.)
Start-Up
Time
(Max.)
Permissible
Current
(Max.)
Cycle
Time
Alarm
contact
Certified Base
Model No.
HD912-2 2 10~33V 45μA 50mA 100μA 30Sec. 80mA 1-3 Sec. UL/EN P/N852001
HD912-2L 2 10~33V 45μA 50mA 100μA 30Sec. 80mA 1-3 Sec. UL/EN P/N854001
HD912-4-12/24 4 12/24V 45μA 30mA 100μA 30Sec. 1-3 Sec. Form A UL/EN P/N854001
HD912-4AR-12/24 4 12/24V 45μA 30mA 100μA 30Sec. 1-3 Sec. Form A
Auto Reset
CE P/N854001
HD912-4ARB-12/24 4 12/24V 45μA 30mA 100μA 30Sec. 1-3 Sec. Form A
Auto Reset
CE P/N854001
HD912-4B-12/24 4 12/24V 45μA 30mA 100μA 30Sec. 1-3 Sec. Form A CE P/N854001
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