ABB APBU-44CE branching unit kit

1. Product Overview

The ABB APBU-44CE Branching Unit Kit is a PPCS Branching and Datalogger Unit used in ABB ACS800 Multidrive systems.
It enables parallel connection of multiple inverter or supply modules and incorporates a built-in datalogger to record real-time module data for fault tracing and performance monitoring.

2. Technical Specifications

Below are typical specifications based on ABB ACS800 hardware manual and public references (for reference only; confirm with official documentation):

3. Advantages & Features

1. Parallel Module Support – Allows up to 12 modules to be paralleled in a Multidrive configuration.

2. Integrated Datalogger – Records module-level real-time data for diagnostics and performance analysis.

3. High-Speed Fibre Communication – Uses fibre optic links for high-speed, noise-resistant communication.

4. Redundant Power & Backup – Supports dual 24 V supply redundancy and backup battery to protect memory.

5. Modular & Service-Friendly – DIN-mount, modular design enables easy installation and replacement.

6. Status Indication – LED indicators provide real-time feedback on communication and power states.

7. ABB System Compatibility – Official accessory for ABB ACS800 Multidrive systems.

4. Application Areas

• ACS800 Multidrive configurations

• Parallel drive systems in industrial applications

• Modular inverter or supply parallel systems in power electronics

• Renewable energy (wind, solar) parallel converter systems

• Large-scale drive systems and DC or frequency-drive architectures

• Automation systems requiring centralized monitoring and fault tracking