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 |  |  | Transmitter Power Supply with Trip Value (2/422 compatible) |  | 3/422(2/422) |  | |  | | | |  |  |  | 1-channel isolated barrier, 2 trip relays, 2-wire SMART transmitters or current sources, Output 0/4 mA ... 20 mA and 2 trip amplifiers, Short-circuit proof outputs |  | | | | |
 |  |  | Transmitter Power Supply with Trip Value (sls compatible) |  | 3/422(sls/422) |  | |  | | | |  |  |  | 1-channel isolated barrier, 2 trip relays, 2-wire SMART transmitters or current sources, Output 0/4 mA ... 20 mA and 2 trip amplifiers, Short-circuit proof outputs |  | | | | |
 |  |  | Transmitter Power Supply |  | AH420 |  | |  | | | |  |  |  | HART communication for field devices of well-known manufacturers, Test sockets/HART communicaltion, 2-wire SMART transmitters or current sources |  | | | | |
 |  |  | SMART Transmitter Power Supply |  | ED2-STC4-Ex2 |  | |  | | | |  |  |  | 2-channel isolated barrier, 24 V DC supply, Input 2-wire SMART transmitters, Output 0/4 mA ... 20 mA or 1 V ... 5 V, Test sockets for HART |  | | | | |
 |  |  | Transmitter power supplies |  | EGT-101 |  | |  | | | | | |
 |  |  | Transmitter Power Supply |  | EU420 |  | |  | | | |  |  |  | HART communication for field devices of well-known manufacturers, Test sockets/HART communicaltion, 2-wire SMART transmitters or current sources | | |