Introduction
The ABB UA D142 A01 3BHE012551R0001 Power Board is a high-performance industrial power distribution and system support module designed for ABB Advant and AC 800PEC-based control architectures. It is engineered to provide stable, regulated power to I/O subsystems, control electronics, and expansion modules in complex automation environments.
Built for continuous industrial operation, this power board ensures reliable energy distribution under demanding conditions such as high electrical noise, temperature variation, and long operational duty cycles. It plays a critical role in maintaining system stability in power generation, heavy industry, and process automation applications where uninterrupted control performance is essential.
Technical Specifications
The UA D142 A01 power board functions as a centralized power interface within ABB modular control systems, supporting both core control units and distributed I/O structures.
| Parameter | Specification |
|---|
| Model | UA D142 A01 |
| ABB Article Number | 3BHE012551R0001 |
| Type | Power Board / Power Supply & Distribution Module |
| System Compatibility | ABB Advant / AC 800PEC architectures |
| Input Voltage | 24V DC nominal (system dependent) |
| Output Function | Regulated DC power distribution |
| Power Capacity | Up to ~1440W (system configuration dependent) |
| Efficiency | >90% typical |
| Protection Functions | Overvoltage, overcurrent, short-circuit protection |
| Mounting | Rack / cabinet backplane integration |
| Cooling Method | Natural convection / cabinet airflow |
Applications
The ABB UA D142 A01 power board is widely used in industrial automation systems requiring distributed and reliable power architecture.
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ABB Advant Master Distributed Control Systems (DCS)
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AC 800PEC high-speed control and drive systems
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Power plant automation and turbine control systems
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Oil & gas process control cabinets
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Steel and metallurgy production lines
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Industrial motor control and drive systems
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Large-scale I/O expansion and control racks
Its robust electrical design ensures continuous operation even in environments with heavy electromagnetic interference and fluctuating load demands.
Advantages
The UA D142 A01 power board is engineered to enhance system reliability and simplify complex industrial power architectures.
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Stable high-capacity power distribution for multi-module systems
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High efficiency design reduces thermal stress and energy loss
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Strong protection against electrical faults and instability
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Seamless integration with ABB modular control systems
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Optimized for continuous 24/7 industrial operation
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Supports large-scale I/O expansion configurations
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Compact industrial-grade mechanical structure
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Reliable performance in high-vibration and high-temperature environments
Technical FAQs
1. What is the main function of the UA D142 A01 power board?
It distributes and stabilizes DC power across ABB control and I/O modules.
2. Is it a standalone power supply?
No, it operates as part of ABB modular control systems.
3. What systems is it compatible with?
It is primarily used in ABB Advant and AC 800PEC architectures.
4. What is the typical output capacity?
Up to approximately 1440W depending on system configuration.
5. Does it provide protection features?
Yes, including overcurrent, overvoltage, and short-circuit protection.
6. What is the installation method?
It is mounted within control cabinets using rack or backplane integration.
7. Is it suitable for harsh environments?
Yes, it is designed for industrial-grade conditions with electrical noise and temperature variation.
8. What is its approximate weight?
Around 2.0–2.5 kg depending on configuration.
9. Does it require active cooling?
No, it relies on passive cooling through cabinet airflow.
10. Is it still used in modern systems?
It is mainly found in installed ABB legacy and industrial base systems.
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