Input unit with BNB-300 and one monitored input. For use in hazardous area zone 1 or 2. With SelfVerify.
The BN-500/EXD is suitable for interfacing of all kinds of alarm contacts onto the interactive systems. It is often used as a general interface for EXE approved call points etc. in order to avoid costly approvals for each type of equipment.
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.