The ABB TU839 (3BSE046966R1) is a high-performance 8-channel Extended Module Termination Unit (MTU) designed for critical digital input processing. Featuring robust electrical isolation and a high dielectric test voltage, this unit ensures reliable signal integrity and process protection in demanding industrial automation environments.
Technical Configuration
The TU839 is optimized for secure connectivity and streamlined cabinet integration:
MTU Architecture:Extended termination unit designed for high-density I/O signal distribution.
Channel Capacity:8 I/O channels, each equipped with 2 dedicated terminals for granular field device control.
Power Management:Includes 2x6 Process Power terminals specifically configured for 0.2A sensor requirements.
Mounting Versatility:Supports bi-directional mounting, providing flexibility for diverse cabinet layouts and optimized cable management.
System Integration:Fully qualified for use with ABB DI820, DI821, and DI825 digital input modules.
Specifications
Part Number:3BSE046966R1
ABB Type:TU839
Voltage Rating:250V AC
Channel Capacity:8 I/O channels (1A max per channel)
Process Connection Capacity:10A (Maximum current)
Dielectric Test Voltage:2300V AC (channel to ground) / 1350V AC (channel to channel)
Wire Compatibility:0.2–2.5$mm^2$(Solid and Stranded) / 24–14 AWG
