ABB DSQC334 3HAB5845-1 Power Supply Unit

1. Product Overview

The ABB DSQC334 3HAB5845-1 Power Supply Unit is a high-performance industrial power module designed to provide stable DC power for ABB robot control systems such as IRC5 and S4C+.
It supplies regulated power to controllers, I/O modules, servo drives, and communication units, ensuring safe and efficient operation of the entire system.

With excellent isolation, interference resistance, and comprehensive protection functions, the DSQC334 is engineered for long-term reliability in demanding industrial environments.

2. Technical Specifications (Reference)

3. Advantages and Features

Main Advantages:

1. High reliability: Industrial-grade design for continuous power delivery.

2. Wide input range: Compatible with standard industrial AC power sources.

3. Comprehensive protection: Built-in short-circuit, overload, and thermal protection.

4. Isolated design: Prevents interference and protects downstream equipment.

5. Modular installation: Easy replacement and system scalability.

Key Features:

• High energy efficiency with low ripple DC output.

• LED indicators for quick status monitoring.

• Compact and durable construction for cabinet integration.

• Fully compatible with ABB controllers and drive systems.

4. Application Fields

• ABB robot control systems (IRC5, S4C+, etc.)

• Automated production line power supply systems

• Industrial control cabinets and machinery power units

• Power source for PLCs, I/O modules, and sensors

• Regulated DC power for servo and motion control systems

5. Precautions

1. Always disconnect power before installation or maintenance.

2. Verify that input voltage matches the module’s rated value.

3. Ensure proper ventilation to prevent overheating.

4. Ground the module properly to reduce electrical noise.

5. Avoid installation in damp, dusty, or corrosive environments.

6. Regularly inspect wiring and indicator lights for normal operation.

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