ABB DSQC 140 3HAC4296-1 Power Supply Unit

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1. Product Overview

The ABB DSQC 140 (3HAC4296-1) is a Power Supply Unit designed for ABB industrial robot controllers, such as the IRC5 series, and servo drive systems. It converts AC power into the DC voltage required by the controller and servo system, ensuring stable operation. The DSQC 140 provides efficient power management and protection, making it a core module of the robot controller and ensuring reliable, long-term operation of industrial robot systems.

2. Technical Specifications

• Model: DSQC 140 / 3HAC4296-1

• Type: Power Supply Unit

• Compatible System: ABB IRC5 robot controllers and servo drive systems

• Input Voltage: 3×380–480 V AC, 50/60 Hz

• Output Voltage: 24 V DC (for controller and drive modules)

• Output Power: Distributed according to controller and servo drive requirements

• Operating Temperature: 0℃ ~ +50℃

• Storage Temperature: -25℃ ~ +70℃

• Mounting: Controller internal slot or fixed installation

• Dimensions: Standard controller board design

• Weight: ~2.5 kg

• Protection Degree: IP20

• Reliability: Industrial-grade design for long-term continuous operation

• Additional Features: Overcurrent and overvoltage protection, status indication

3. Key Features & Advantages

1. Efficient power conversion — Converts AC to stable DC voltage to ensure proper operation of controller and servo drives.

2. Modular design — Plug-in installation allows easy maintenance, replacement, and upgrades.

3. Strong compatibility — Designed for ABB IRC5 controllers and servo systems for overall system stability.

4. High reliability — Industrial-grade design supports long-term operation and transient overload protection.

5. Safety protection — Built-in overcurrent/overvoltage protection and status indicators enhance system safety.

6. Compact structure — Saves internal space and improves system integration.

4. Typical Applications

• Power management for ABB IRC5 robot controllers

• Industrial robot servo drive systems

• Power supply and management in automated production lines

• Factory automation and high-precision motion control systems

• Robot and automation equipment maintenance and upgrades

5. Precautions & Recommendations

1. Power off the controller before installation or removal to ensure safety.

2. Ensure input/output voltage and current match the controller and drive requirements to avoid damage.

3. Avoid high temperature, humidity, dust, or corrosive environments.

4. Secure the module firmly to prevent vibration or poor contact.

5. Installation and maintenance should be performed by qualified personnel.

6. Regularly check the module and status indicators to ensure long-term reliable operation.

The structure and details of the product：

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