ARITECH FIRE II954NI Module equipped with 2 supervised inputs

Module equipped with 2 supervised inputs. complete with loop line isolator. Supplied in a container. CPR EN54-17 and EN54-18

II954NI is the new dual switch monitor unit that provides the function of two switch monitor units within a single enclosure. The two units are electrically independent of each other. There is a DIL switch on each unit to set the address. Both units are designed to monitor the status of one or more potential-free single-pole contacts connected on a single pair of cables to report the status. It has a selectable status reporting delay that makes it suitable for monitoring flow switches.