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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 BN-500/N is an input unit that is used to interface different types of signal devices of ON/OFF type onto the detector loop.

The Autronica BN-500/N has been designed for use with Autronica's interactive fire detection systems, and comprises the SelfVerify function. The function ensures the highest grade of reliability and reduces the need for manual testing, because all units comprising this function are automatically checked once every 24 hours.

  • Interactive
  • Configurable input
  • Interface unit for interfacing external units, clean contacts, alarm relays, etc., onto fire detection system
  • Monitored input
  • Short circuit isolator in each unit
  • Automatic addressing
  • Proven technology
  • With SelfVerify function for reduced maintenance/testing and increased reliability
  • Designed to meet the requirements of the major maritime classification societies

Technical specifications
Weight 175 g
Material Thermo plastic
Colour Light grey
Input function Configurable
Max. capacitance on input 30 nF
Voltage 10 - 27 VDC
Current consumption: Stand by 0,3mA
Environm. requirement EN 54-5/EN 54-7
Degree of protection:
Membr. inlets
PG-inlets (PG-13,5)

Working temperature -20