With one monitored input, for connection of external alarm contacts etc. Approved for use in hazardous areas, zone 2. With SelfVerify.
BN-500/N is an input unit used to interface different types of signal devices of ON/OFF type onto the detector loop. The unit is for use in hazardous area zone 2. It must be connected to a loop driver approved for zone 2.
The SelfVerify 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.