The ABB TU845 3BSE021447R1 Redundant Termination Unit is designed for secure and flexible signal interfacing in S800 I/O systems. Supporting up to 8 I/O channels and 2+2 process voltage connections, it ensures reliable data flow and precise module addressing in distributed control environments.
Each channel includes dual I/O and one ZP connection, with shunt stick (TY801) support for voltage or current input selection. The TU845 3BSE021447R1 enables seamless ModuleBus distribution and features mechanical keying to prevent incorrect module insertion.
Technical Specifications
Parameter
Value
Model Number
TU845 3BSE021447R1
Manufacturer
ABB
Product Type
Redundant Termination Unit
System
S800 I/O DCS
Channels Supported
8
Process Voltage Connections
2 + 2
Max Voltage
50 V
Max Current per Channel
2 A
Input Selection
TY801 Shunt Stick (Voltage/Current)
Mechanical Key Positions
36 (4 keys total)
Mounting Type
DIN Rail
Dimensions (L×W×H)
18.5 × 13 × 6.2 cm
Weight
0.58 kg
HS Code
8537101190
Origin
Sweden
Condition
Brand New
Availability
In Stock
MOQ
1 Unit
Applications & Compatibility
The ABB TU845 3BSE021447R1 is ideal for industrial automation systems requiring redundant signal paths and flexible I/O configurations. It supports 2-wire field connections and integrates easily with ABB S800 I/O modules.
