ABB DSQC374 3HAC3462-1 Control Power Supply

1. Product Overview

The ABB DSQC374 3HAC3462-1 Control Power Supply is a high-performance power module designed to provide stable DC power for ABB robotic and automation systems. It supplies regulated 24V DC power to control units, I/O boards, servo drives, and communication circuits, ensuring reliable operation of the entire control system.

Built with industrial-grade components, the DSQC374 offers high efficiency, robust electrical isolation, and comprehensive protection features including overvoltage, overcurrent, short-circuit, and thermal safeguards — making it an essential component in ABB control architectures such as IRC5 and S4C+.

2. Technical Specifications (Reference)

3. Advantages and Features

Main Advantages:

1. Stable DC output: Ensures continuous and clean power for control circuits.

2. Comprehensive protection: Safeguards the system from electrical faults.

3. Industrial-grade reliability: Performs stably under harsh conditions.

4. Modular design: Simplifies installation and maintenance.

5. High efficiency: Low power loss and reduced heat generation.

Key Features:

• Electrically isolated design with built-in EMI filtering.

• LED indicators for quick system diagnostics.

• Fully compatible with ABB IRC5 and S4C+ controllers.

• Suitable for 24/7 continuous industrial operation.

• Compact, durable, and low-noise structure.

4. Application Fields

• ABB industrial robot control systems

• Automated production and assembly lines

• Industrial control cabinets and motion systems

• Power supply for PLCs, I/O boards, and sensors

• Process and motion control power systems

5. Precautions

1. Always disconnect power before installation or removal.

2. Ensure input voltage matches rated specifications.

3. Maintain proper ventilation and cooling.

4. Ground the module securely to prevent interference.

5. Avoid installation in humid, corrosive, or flammable environments.

6. Regularly inspect terminals and LED indicators.

7. Use only ABB-certified parts to ensure reliability and safety.