Gold Member Since 2010
Audited Supplier
Ningbo Sentek Electronics Co., Ltd.

Heat Alarm, Heat Detector, Fire Alarm manufacturer / supplier in China, offering Heat Detector (HD912-2L), Tamper Switch Alarm, UL Recessed Mounted Magnetic Contact Switch and so on.

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Heat Detector (HD912-2L)

Purchase Qty.:
100-999 1,000-4,999 5,000+
FOB Unit Price: US $6.1 US $5.9 US $5.6
Purchase Qty. (Pieces) FOB Unit Price
100-999 US $6.1
1,000-4,999 US $5.9
5,000+ US $5.6
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Production Capacity: 10000
Transport Package: Box/Certon
Payment Terms: T/T, Paypal, Western Union

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Basic Info
  • Model NO.: HD912-2L
  • Signal Transmission: Wired Alarm
  • Material: ABS
  • Certificate: UL/cUL
  • Specification: UL/CUL
  • HS Code: 85311000
  • Type: Heat Detector
  • Application: Indoor
  • OEM: Welcome
  • Trademark: Sentek
  • Origin: China
Product Description
Security Alarm, heat detector, heat alarm
HD-912 provide fast and reliable response for heat 57C (135F) detection, UL521 EN54-5 approved


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)Five years limited warranty

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


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


100mm (dia) x 46mm (ht) with base


120g/set with base
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