ABB TU838 3BSE008572R1 Extended Module

Product Overview

The ABB TU838 (3BSE008572R1) is a high-density, 16-channel Extended Module Termination Unit (MTU) designed for reliable signal distribution and power management in complex control systems. It provides a robust, organized interface for field wiring, featuring integrated fusing for sensor power to enhance system safety and process stability.

Technical Configuration

The TU838 is engineered for versatility and high-performance in demanding automation environments:

• MTU Architecture: Extended termination unit offering a 16-channel interface for compact, space-efficient cabinet design.

• Integrated Protection: Features 8 fused sensor power outlets, providing individual circuit protection for field devices.

• Power Distribution: Includes dedicated terminals for 4 Process Power and 12 Process Power (0V) connections, streamlining power routing.

• Mounting Versatility: Supports bidirectional mounting for adaptable installation in various cabinet orientations.

• System Optimization: Fully compatible with a broad range of ABB I/O modules, including the AI810, AI815, AI845, DI810, DI811, DI814, DI830, DI831, DI840, and DO814.

Specifications

• Part Number: 3BSE008572R1

• ABB Type: TU838

• Voltage Rating: 50V

• Channel Capacity: 16 I/O channels

• I/O Channel Current: 3A (Max)

• Process Connection Current: 10A (Max)

• Dielectric Test Voltage: 500V AC

• Wire Compatibility: Solid 0.2–4 $mm^2$ / Stranded 0.2–2.5 $mm^2$ (24–12 AWG)

• Torque/Stripping: 0.5–0.6 Nm / 7 mm