DSQC 604 3HAC12928-1 | ABB IRC5 Controller Power Supply Unit

Product Overview

The DSQC 604 (3HAC12928-1) is a high-performance power supply module engineered specifically for the ABB IRC5 robot control system. As a vital component of the controller's power distribution architecture, this unit converts incoming AC voltage into the regulated DC power required to energize the main computer, axis computers, and various I/O communication interfaces. Its robust design ensures stable voltage regulation and electrical noise suppression, which are critical for maintaining robotic path accuracy and preventing system logic errors in heavy industrial environments.

Technical Specifications

The DSQC 604 | 3HAC12928-1 is manufactured to strict global automation standards, ensuring long-term reliability in continuous duty cycles.

• Brand: ABB

• Model Designation: DSQC 604

• Ordering Number: 3HAC12928-1

• Functional Role: System Power Supply Unit (PSU)

• Compatible Controller: ABB IRC5 (M2000/M2004 and later variants)

• Input Voltage Compatibility: Typically 100-240V AC (Standard IRC5 input range)

• Output Characteristics: Regulated DC voltage for internal control logic

• Unit Dimensions: 200 mm (D) x 156.5 mm (H) x 82 mm (W)

• Net Weight: 2.64 kg

• Total Volume: 2.567 dm³

• Part Category: New / Professional Grade Spare Part

Application and System Integration

In a standard IRC5 cabinet setup, the DSQC 604 (3HAC12928-1) is usually mounted on the internal rack, providing the primary power rail for the processing modules. It is essential for applications such as high-speed pick-and-place, precision welding, and robotic assembly lines where power consistency is paramount. The module features integrated thermal protection and over-current safeguards to prevent damage to expensive downstream processors in the event of an electrical fault.

Frequently Asked Questions

What are the common signs that a DSQC 604 unit needs replacement?

System failures such as intermittent "Controller Not Responding" errors, boot-up loops, or LED indicators showing low voltage on the logic boards often point to a degrading power supply. If the 3HAC12928-1 fails completely, the teach pendant will remain dark and the controller will not initialize.

Does this power supply require manual voltage switching?

No, modern ABB units like the DSQC 604 are typically auto-ranging or managed by the primary transformer configuration of the IRC5 cabinet, but always verify your specific transformer tap settings before connecting to mains power.