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HC-407D Fixed Temperature Heat Detector


1.Has monitoring function. The LED flashes
    once every 4 ~ 6 seconds.

2.There are two LEDs which can turn 360o and watch
   the situation of the detector at any angle.

3.It provides the wiring (-R) function of entrance LED.

4.The use of common base is advantageous to the
of detector.
Functioning way

Outside the fixed-temperature heat detector are exposed a temperature-sensing heat barrier.  When the fire makes the room temperature rise gradually until the temperature has risen and reached the preset point of function temperature, it immediately enters the alarm status.  Meanwhile, LED will be turned on automatically and give alarm to the fire signal receiving machine.


Model No

Fixed Temperature Heat Detector

Overall structure

Adopted voltage



Fire-resisting ABS resin material

Monitoring electric current


Joint terminal

Copper rod (zinc-plated)
Functioning electric current 60mA


Suitable temperature -15~50°C Notes Prohibit from being installed at the places with large volume of smoke and steam lingering, and the inlet and outlet of cold and warm air.
Suitable humidity 0~95% RH
Size 103mm x 44mm
Weight 130g
General wiring drawing

Wiring drawing of entrance LED


COMMON BASE | HC-202D | HC-206A | HC-207D | HC-306A | HC-307D | HC-406 | HC-407A | HC-407D | HC-601UV