Unit with one monitored input for connection of external alarm contacts etc. With SelfVerify.
BN-300 input unit is used to interface different types of signal devices of ON/OFF type onto the interactive detector loop.
The unit comprises the SelfVerify function, ensuring the highest grade of reliability and reducing the need for manual testing, because all units comprising this function are automatically checked once every 24 hours.
Due to EMC-filtering, alarms will not be activated before 4-5 seconds.
Application includes:
- Alarm pushbuttons
- Flame detectors with relay contacts
- Sprinkler contacts, etc.