Product Description
ABB TU890 Module termination unit
The ABB TU890 is a compact Module Termination Unit (MTU) designed for the S800 I/O system. This passive unit serves as a base for mounting a single I/O module, providing essential connections for the redundant optical ModuleBus and power supplies. It features a 24-pin D-Sub connector for simplified and secure termination of process signals. The TU890 is specifically engineered for redundant I/O configurations, ensuring high availability and reliability in critical industrial automation applications within the ABB System 800xA environment.
Technical Specifications:
- Product Type: Module Termination Unit (MTU)
- System Compatibility: ABB S800 I/O System
- Application: Redundant I/O configurations
- Process Connector: D-Sub, 24-pin, female
- Mounting: DIN rail mounting
- ABB Part Number: 3BSE020846R1

ABB TU890 Module termination unit
Discover the ABB TU890 Module Termination Unit (3BSE020846R1), a compact base for redundant S800 I/O modules. Features a 24-pin D-Sub connector for reliable process signal termination.







