ABB DSQC 626A 3HAC026289-001 IRC5 Robot Controller Power Supply Unit

Overview

The DSQC 626A (3HAC026289-001) is a high-capacity power supply unit specifically engineered for the ABB IRC5 robot controller generation. This module acts as the primary energy conversion stage, providing stabilized DC voltage to the controller’s main computer, axis computer boards, and peripheral communication interfaces. By ensuring a consistent power rail, the DSQC 626A protects sensitive logic circuits from line fluctuations and EMI, which is essential for maintaining high-precision robotic path following and system uptime.

Technical Specifications

The DSQC 626A | 3HAC026289-001 is built to withstand the demanding thermal and electrical requirements of 24/7 manufacturing environments:

• Manufacturer: ABB

• Model Designation: DSQC 626A

• Part Number: 3HAC026289-001

• Successor To: 3HAC020465-001

• Function: Primary Controller Power Supply

• Compatibility: ABB IRC5 M2004 and later cabinet variants

• Weight: 4.7 kg

• Dimensions: 355 mm (D) x 200 mm (H) x 83 mm (W)

• Customs Tariff Number: 85044083

• Origin: China

• Mounting: Standard IRC5 internal logic rack integration

Application and Integration

This power supply module is a critical spare part for ABB robotic cells utilized in automotive assembly, spot welding, and material handling. The DSQC 626A (3HAC026289-001) is designed for seamless physical and electrical replacement of the older 3HAC020465-001 model. During installation, it is recommended to verify the health of the internal cooling fans within the IRC5 cabinet, as adequate airflow is necessary to maintain the unit’s operational temperature range and longevity under heavy load.

Technical FAQ

Is the DSQC 626A a direct replacement for the 3HAC020465-001?

Yes, the DSQC 626A | 3HAC026289-001 is the designated updated replacement for the legacy 3HAC020465-001, offering improved electrical efficiency and thermal management while maintaining identical mounting points.

Does this unit provide power to the robot servo motors?

No, this module provides logic power to the control electronics. The high-current power required for the servo motors is handled by the dedicated drive modules and rectifier units within the IRC5 system.