SMART Current Driver KCD2-SCD-Ex1, Signal type, Isolated Barriers (K-System), 1-channel isolated barrier, 24 V DC supply (Power Rail), Current output up to 650 ?? load, HART-IP and valve positioner, Lead breakage monitoring, Housing width 12.5 mm, Up to SIL 2 (SC 3) acc. to IEC/EN 61508