ABB 560BCU04 Busbar Connection Unit

1. Product Overview

The ABB 560BCU04 Busbar Connection Unit is a core component in the ABB RTU560 system. It provides internal system power distribution and busbar connectivity for the subrack, ensuring stable operation of all modules such as I/O units, communication modules and processor boards. It serves as the backbone for both power and system bus distribution.

2. Technical Specifications

General Specifications

• Product Type: Busbar Connection Unit

• System Platform: ABB RTU560

• Main Functions:

  • Distribution of internal system power supplied by the power module (e.g., 560PSR00)

  • Provides internal data/control bus connectivity

  • Supplies system bus interface to I/O, processor, and communication modules

Mechanical & Electrical

• Mounting: Plug-in unit for RTU560 subrack

• Bus Interfaces:

  • Power bus

  • System data/control bus

• Indicators: Power or communication status LEDs (depending on revision)

• Cooling: Natural convection

Environmental Conditions

• Operating temperature: 0°C to +55°C

• Storage temperature: –40°C to +70°C

• Humidity: 5%–95%, non-condensing

• EMC / Vibration: Industrial-grade, compliant with RTU560 requirements

Physical

• Module width: Standard RTU560 subrack size

• Weight: approx. 0.3–0.5 kg

3. Key Features & Advantages

1. Highly reliable busbar system ensuring stable power and data distribution.

2. Modular design fully compatible with all RTU560 modules.

3. Supports redundant architectures for high availability installations.

4. Low failure rate due to passive, simplified structural design.

5. Excellent EMC performance suitable for harsh electrical environments.

6. Easy installation using plug-in mechanical design.

4. Application Areas

• RTU560 substation automation systems

• Power grid monitoring and control

• SCADA and remote telemetry systems

• Utility automation (water, gas, district heating)

• Energy management and supervisory control

• Industrial control systems requiring stable bus distribution

5. Precautions & Maintenance

1. Install only in the designated RTU560 slot and ensure firm connection.

2. Keep busbar contacts clean and dry to avoid poor contact.

3. Do not insert or remove the module under power.

4. Avoid mechanical impact or bending of the busbar connectors.

5. Ensure proper grounding for optimal EMC performance.

6. Periodically check connectors and mounting screws.

7. Use together with matched power modules to avoid overload.

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