ABB UNS0868B power board

Product Overview:

The ABB UNS0868B Power Board is a core power supply module in ABB industrial automation and drive systems. It provides stable and reliable power for control systems and drive equipment. Designed with industrial-grade components and high-performance circuitry, it includes overcurrent, overvoltage, and overtemperature protection to ensure stable and safe operation in demanding industrial environments.

This power board is widely used in ABB ACS drives, industrial automation systems, turbine control systems, and energy management platforms, serving as a critical component for safe and continuous operation.

Technical Specifications:

• Model: UNS0868B

• Brand: ABB

• Type: Power Board

• Main Function: Power supply, overvoltage protection, overcurrent protection, signal power

• Input Voltage: 380–480 V AC (three-phase) or 24 V DC (depending on system)

• Output Voltage: 24 V DC (typical)

• Power Capacity: 150–400 W (system dependent)

• Efficiency: ≥ 90%

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -25°C to +70°C

• Humidity: 10%–90% (non-condensing)

• Mounting: Modular rack or DIN rail

• Protection Features: Overvoltage, overcurrent, short circuit, overtemperature

• Status Indicators: LED for output and fault status

• Compatible Systems: ABB ACS drives, industrial automation systems, Symphony Plus, Bailey INFI 90

Features and Advantages:

1. High Stability: Provides reliable power to ensure continuous system operation.

2. Multiple Protection Features: Built-in overvoltage, overcurrent, short circuit, and overtemperature protection for enhanced safety.

3. High Efficiency: ≥ 90% efficiency reduces energy consumption and heat generation.

4. Modular Design: Plug-in structure allows quick installation and maintenance.

5. Industrial Durability: Operates reliably under high temperature, vibration, and EMI conditions.

6. Visual Status Indicators: LEDs simplify monitoring of power and fault conditions.

7. Strong Compatibility: Seamlessly integrates with various ABB control and drive systems.

Applications:

• Industrial motor drives and automation control systems

• Power and energy management systems

• Petrochemical and refinery process control

• Steel and metallurgy production lines

• Water treatment and environmental engineering

• Pulp and paper automation control

• Turbine and industrial drive systems

• Industrial automation production line monitoring

Precautions:

1. Disconnect power before installation or maintenance to avoid electric shock or damage.

2. Ensure proper and secure wiring connections to prevent short circuits or faults.

3. Avoid long-term operation in high humidity, dusty, or strong EMI environments.

4. Regularly check LED indicators and output voltage to ensure normal operation.

5. Use anti-static measures when handling or replacing the module.

6. Use ABB-certified cables and accessories for reliable system compatibility and safety.

4. The structure and details of the product：
5. 

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