ABB 3BSE021445R1ABB 3BSE021445R1 (TU844 Redundant MTU)
ABB TU844, Order Code: 3BSE021445R1 – Redundant Module Termination Unit (MTU) for S800 I/O System, 50V Process Signal Rating Core Function This termination unit is a wiring interface base exclusively built for redundant ABB S800 analog I/O modules in ABB 800xA DCS systems. Core Function This termination unit is a wiring interface base exclusively built for redundant ABB S800 analog I/O modules in ABB 800xA DCS systems. Acts as the physical junction between field sensor/actuator cables and hot-swappable redundant I/O cards (AI845, AI880, DP840) Delivers 8-channel signal termination with dual redundant wiring paths to support 1+1 fault-tolerant I/O configurations Distributes 24VDC field power and 0V reference lines via dedicated process power terminals

Product Description
ABB TU844, Order Code: 3BSE021445R1 – Redundant Module Termination Unit (MTU) for S800 I/O System, 50V Process Signal Rating Core Function This termination unit is a wiring interface base exclusively built for redundant ABB S800 analog I/O modules in ABB 800xA DCS systems. Core Function This termination unit is a wiring interface base exclusively built for redundant ABB S800 analog I/O modules in ABB 800xA DCS systems. Acts as the physical junction between field sensor/actuator cables and hot-swappable redundant I/O cards (AI845, AI880, DP840) Delivers 8-channel signal termination with dual redundant wiring paths to support 1+1 fault-tolerant I/O configurations Distributes 24VDC field power and 0V reference lines via dedicated process power terminals
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3BSE021445R1 |
| Category | Industrial Automation |
| ABB TU844, Order Code | 3BSE021445R1 – Redundant Module Termination Unit (MTU) for S800 I/O System, 50V Process Signal Rating Core Function This termination unit is a wiring interface base exclusively built for redundant ABB S800 analog I/O modules in ABB 800xA DCS systems. Core Function This termination unit is a wiring interface base exclusively built for redundant ABB S800 analog I/O modules in ABB 800xA DCS systems. Acts as the physical junction between field sensor/actuator cables and hot-swappable redundant I/O cards (AI845, AI880, DP840) Delivers 8-channel signal termination with dual redundant wiring paths to support 1+1 fault-tolerant I/O configurations Distributes 24VDC field power and 0V reference lines via dedicated process power terminals |
| Channels | 8-channel |
| Redundancy | – Redundant |
| Redundancy 2 | dual redundant |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |