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Gas & Fire Detection A fire detection system is one of the most important safety items on board of a vessel. We have a large range of spare parts directly available ex stock Check the full list

The Autronica BHH-520/N is a multisensor that is based on an optical point smoke detector combined with a temperature sensor. A rise in temperature will change the detection platform by increasing the smoke sensitivity in order to improve the detection of combustion gases from flaming fires producing barely a minimum of visible smoke particles.

The multisensor principle combined with advanced signal processing in the BHH-520/N ensures an early response to any type of fire development.

  • - Interactive
  • - Ensures a fast response to smoke and heat development
  • - Additional PCB coating, ideal in humid environments
  • - With DYFI+ adaptive and self learning function
  • - With SelfVerify function for reduced maintenance/testing and increased reliability
  • - Built-in thermistor for reading of temperature at the detector point
  • - Short circuit isolator in each detector
  • - Comprises a built-in alarm indicator (LED)
  • - Automatic addressing
  • - Proven technology
  • - EN 54-5/EN 54-7/EN 54-17
  • - Designed to meet the requirement of the major maritime classification societies

The Autronica BHH-520/N can be used in combination with the following:
Base: BWA-100
Conduit Box: BWP-100/20 or BWP-100/25

Technical specifications
Weight 165g
Material PC/ABS
Colour White
Voltage 10 - 27 VDC
Current consumption
Stand by:
External alarm indicator:

< 0,3mA
CPD certificate 1134-CPD-017
Degree of protection IP44D
Working temperature -20