857-420/857-421 JUMPFLEX Repeater Power Supply Operating and Assembly Instructions

This document provides operating and assembly instructions for the WAGO JUMPFLEX 857-420 and 857-421 repeater power supplies, which are configurable devices for connecting 2- or 3-wire transmitters and SMART transmitters in the field. It covers technical data, wiring, configuration via DIP switches, safety information, and accessories for simultaneous analog and digital signal transmission with galvanic isolation.