Fire Alarm Detector, HF401


1. Thin design, just 45mm
2. Adopting SMT technology, the fire alarm detector is featured by high security. 
3. It adopts special methods for dampproof, antisepsis and mildewproof.
4. Inner mothproof net and shield cover
5. The fire alarm detector is equipped with flame retardant and thermoplastic materials.
6. The head can easily be plugged into the base.
7. SEMS screws for easy wiring.
8. 2-wire without polarity


Conventional Photo-electronic Smoke Detector

Technical specification

Operating Voltage: DC20V~DC28V
Standby current: ≤70μ A
Alarm current: ≤20mA
(connected to DC24V and 1k resistor in series)
Dimensions: D100mm X H51mm (with base)
Weight: 142g (with base)

Environmental conditions:Temperature: –10°C~ 50°C, Related Humidity: ≤95% (40±2°C)

Longhorn is a China fire alarm detector manufacturer and supplier. We offer fire alarm detector, and combustible gas detector, dialing burglar alarm. Our high quality products are offered at competitive prices. Longhorn is located in China, and the full chain of manufacturing piezoelectric siren, surface mounting door detector can be completed in China, even in one city. Lower manufacturing cost saves your purchasing cost. The more details of each product are shown on the page with description.


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