PLCs, Power Supplies & Others

The DSQC626A 3HAC026289-001 from ABB operates as a dedicated 24V DC power supply unit for industrial robot controller systems. This module converts incoming AC mains voltage into stable, regulated 24V DC for control electronics and field devices. Its robust construction ensures reliable power delivery even during demanding production cycles and fluctuating input conditions. Consequently, robotic cells maintain consistent operation without voltage sags or power-related interruptions.

Weighing approximately 3.75 lbs (1.70 kg), the DSQC626A 3HAC026289-001 features a rugged metal enclosure suitable for direct mounting within ABB robot controller cabinets. The module accepts wide-range AC input from 200 to 500 VAC, accommodating global installations across different regional power standards. It provides regulated 24V DC output with sufficient current capacity for control electronics, I/O modules, communication interfaces, and customer-supplied field devices. Additionally, the unit incorporates comprehensive protection features including overcurrent, overvoltage, and thermal shutdown mechanisms.

Efficient Power Conversion and Distribution

The DSQC626A 3HAC026289-001 delivers clean, regulated 24V DC power through protected output circuits with electronic current limiting. Its high-efficiency design minimizes heat generation and reduces cooling requirements within the controller enclosure. The module includes robust input filtering to attenuate electrical noise from the AC mains before reaching sensitive electronics. This integrated filtering ensures stable DC output even in electrically noisy industrial environments with heavy machinery.

Comprehensive Protection and Diagnostic Features

This power supply unit incorporates built-in soft-start circuitry that prevents excessive inrush current during initial power-up sequences. Automatic current limiting protects both the power supply and connected equipment from overload conditions without requiring replacement fuses. LED indicators provide immediate visual confirmation of input power presence, output voltage status, and fault conditions during normal operation. These diagnostic features enable maintenance personnel to quickly verify power system integrity without external test equipment.

Technical Specifications

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