Product Overview
The ABB 3HAC026253-001, officially designated as the DSQC661 Power Supply Module, is a dedicated power solution engineered specifically for ABB IRC5 and IRC5C industrial robot controller platforms. Serving as the “energy heart” of the robot control system, the ABB DSQC661 provides stable, regulated 24V DC power to all critical internal subsystems, including the main computer unit, servo drives, I/O modules, and safety logic circuits . This genuine OEM component ensures that the robot controller receives clean, uninterrupted power essential for maintaining precise motion control and system reliability in demanding industrial automation environments .
The ABB 3HAC026253-001 is designed with a robust switching power supply architecture that features a universal wide-range AC input, accommodating global power standards. The ABB DSQC661 is a modular, DIN-rail mountable unit that integrates seamlessly into the IRC5 control cabinet architecture . With its comprehensive protection features—including overvoltage, overcurrent, short-circuit, and thermal protection—the ABB 3HAC026253-001 safeguards the robot controller from common electrical faults and industrial line transients . As a field-proven component manufactured to ABB’s stringent quality standards, the ABB DSQC661 is the preferred replacement and upgrade choice for facilities operating ABB IRB series robots across automotive, electronics, and heavy manufacturing sectors.
Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model (Order No.) | 3HAC026253-001 |
| Type Designation | DSQC661 |
| Manufacturer | ABB Robotics |
| Product Type | Robot Controller Power Supply Module |
| System Compatibility | ABB IRC5, IRC5C Robot Controllers |
| Input Voltage | 100-240V AC (Universal Wide-Range) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24V DC (Regulated, ±0.5V tolerance) |
| Output Current | Up to 8A Maximum Load |
| Power Rating | Approx. 100W-144W |
| Protection Features | Overvoltage, Overcurrent, Short-Circuit, Thermal Shutdown |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 (Enclosed Installation Required) |
| Dimensions | 178mm × 104mm × 235mm (W × H × D) |
| Weight | Approx. 2.46 kg |
| Compliance | CE, UL, EN61010-1 |
Main Features and Advantages
Dedicated IRC5 Compatibility and Stable Power Delivery:
The ABB 3HAC026253-001 is purpose-built for the ABB IRC5 robot controller platform, ensuring perfect compatibility with existing firmware and safety systems . The ABB DSQC661 delivers clean 24V DC power with tight regulation tolerances (±0.5V), which is essential for maintaining system stability during high-inertia robot movements and preventing logic resets caused by industrial line transients or voltage drops . This stable power foundation directly contributes to the robot’s positioning accuracy and operational repeatability.
Comprehensive Protection and High Reliability:
Engineered for 24/7 industrial operation, the features multiple layers of protection: overcurrent protection automatically limits output current during fault conditions, overvoltage suppression safeguards sensitive electronics from voltage spikes, and thermal shutdown prevents overheating . The ABB 3HAC026253-001 employs high-quality components and undergoes rigorous factory testing, ensuring long-term reliable performance even in harsh industrial environments . This robust design minimizes unplanned downtime and extends the operational lifespan of the connected robot controller.
User-Friendly Diagnostics and Maintenance:
The front panel of the features a prominent “DCOK” status LED that provides instant visual confirmation of output power health . A solid green LED indicates normal operation, while a pulsing green signal suggests a short circuit or no-load condition, and an off state indicates module failure or insufficient input voltage . This simple yet effective diagnostic capability enables rapid troubleshooting, significantly reducing mean time to repair (MTTR). The modular DIN-rail design of the ABB 3HAC026253-001 facilitates quick replacement during scheduled maintenance or emergency repairs, minimizing production downtime