ABB TU838 Extended Module Termination Unit (MTU), part number 3BSE008572R1, is an Extended MTU for ABB S800 I/O systems. It provides 2x4 fused transducer power outlets, 16 signal terminals, 2x4 return terminals, and 2x2 L+ and 2x2 L- terminals, with rated isolation of 50 V. The module is designed for horizontal mounting and serves as the termination and power-distribution node for extended I/O channels in the S800 family. It is used to connect additional field devices to the S800 I/O bus, consolidating wiring and enabling reliable power and signal routing for distributed control applications.
