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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/EX is an input unit for use in hazardous area zone 0, 1, 2. It must be connected to the approves barrier BZ-500. The BN-500/EX is used to interface different types of signal devices of ON/OFF type onto the detector loop. The BN-500/EX has been designed for use with Autronica's interactive fire detection systems, and comprise the SelfVerify function. This function ensures that the BN-500/EX has 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.

Configurable input N.O. or N.C
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 requirement 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