ABB ACS255-03U-02A3-2 LV AC micro drive - F278
Part Number: 3AUA0000234208
Quick Summary
ABB ACS255-03U-02A3-2 is a LV AC micro drive designed to deliver precise speed and torque control for conveyors, pumps, and small automation setups. This helps engineers reduce commissioning time and minimize startup risk in demanding production lines. Typical certifications and standards for drives in this class include CE marking for EU safety and EMC compliance, with UL/CSA listings and appropriate IP ratings depending on the installation environment, which provide documented reliability and regulatory alignment. By integrating with ABB's motor-control ecosystem and offering straightforward parameterization, this drive supports predictable machine behavior, improved energy efficiency, and reduced maintenance. In practice, it strengthens your automation strategy while preserving flexibility for future upgrades in industrial automation contexts.
Product Information
Extended Description
3AUA0000234208 ABB: ACS255-03U-02A3-2+B068+F278
The ACS255-03U-02A3-2 offers a compact LV AC micro drive footprint that minimizes panel space and reduces wiring complexity. This translates into faster installation, simplified cabinet layouts, and more reliable heat management for conveyors and small pumps. In real-world installations, the smaller enclosure enabled a more flexible panel design and easier access for maintenance. Parameter-based speed control with adjustable acceleration and deceleration ramps delivers smoother starts and reduced mechanical stress. The business impact is improved belt life, less vibration, and better process stability on packaging lines and material-handling systems. Robust protection against overcurrent, overvoltage, and short circuits reduces unplanned downtime, while onboard diagnostics speed fault isolation and repairs. Energy-efficient motor control delivers measurable cost savings on conveyors and pumps, with guides for integration into existing control systems and ABB ecosystem support. Maintenance planning benefits from diagnostics, firmware updates, and the ability to scale with future automation needs.
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FAQs
The drive is designed for standard low-voltage three-phase power and three-phase motor connections inside a control panel. Connect mains to L1/L2/L3, earth to PE, and the motor to U/V/W. Follow ABB installation diagrams, maintain proper shielding, and respect safety features such as protective earth and diagnostics. Refer to the user manual for region-specific wiring practices.
Speed and torque are set through parameters for target RPM, adjustable acceleration and deceleration ramps, and torque limits. This enables smooth starts, controlled ramping, and stable operation under varying loads. The drive supports typical load profiles in conveyors and small pumps, reducing mechanical stress and energy waste while maintaining consistent performance.
Yes. The drive is well-suited for packaging lines and similar automation tasks, offering flexible speed control, a compact form factor, and straightforward integration with existing PLC/HMI workflows. With adjustable ramps and diagnostics, it helps maintain line throughput, reduce start/stop wear, and simplify line changeovers without sacrificing reliability.
Drives in this class typically feature CE marking for EU safety and EMC compliance, with potential UL/CSA listings depending on the region. Installations should also consider applicable IP ratings and mounting standards. Always verify current certification scope from ABB documentation to ensure regulatory alignment for your site and application.
Built-in diagnostics, firmware update capabilities, and robust protection features support proactive maintenance and rapid fault resolution, reducing downtime. The compact design lowers spare parts needs, while optimized motor control cuts energy consumption, delivering tangible cost savings and faster return on investment over the drive’s lifecycle.