ABB ACS255-03U-18A0-4+B068 LV AC micro drive - IP66/Type 4X
Part Number: 3AUA0000234223
Quick Summary
ABB ACS255-03U-18A0-4+B068 LV AC micro drive is a compact control solution that provides precise speed management for industrial machines. Engineers often confront lengthy commissioning, wiring complexity, and integration bottlenecks that erode uptime. The ACS255's rugged IP66/UL Type 4X enclosure and Modbus-RTU interface address washdown reliability and real-time PLC integration. With V/Hz and sensorless vector control for both AC induction and PM motors, it enables flexible torque profiles and energy-efficient operation. In practice, this combination leads to shorter setup times, easier maintenance, and a clear path to scalable automation through standard communications.
Product Information
Extended Description
3AUA0000234223 ABB: The ACS255 drive comes in several variants ensuring seamless integration into machines. The UL (NEMA) TYPE 4X / IP66 ACS255 is constructed with corrosion resistant materials for durability and increased survival in wet, dirty, or washdown applications indoors or outdoors. Common application includes augers, mixers, pumps, fans and conveyors. The key features include an integrated keypad for easy configuration, precise process control with V/Hz control and sensorless vector control for both AC induction and PM motors, enhanced short circuit protection, operating mode selection with variable torque and constant torque V/Hz profiles, and embedded Modbus-RTU communication interface for real time control and monitoring.
Feature → Business Impact → Application. The integrated keypad accelerates on-site setup, reducing commissioning time and engineering hours, which is critical for machine builders and system integrators working on conveyors and mixers. The drive supports V/Hz with sensorless vector control for both AC induction and PM motors, delivering precise speed and torque, improving process stability, and enabling energy efficiency in pumps and fans. The rugged IP66/UL 4X enclosure provides corrosion resistance for wet or washdown environments, minimizing downtime in food processing or chemical handling lines. Embedded Modbus-RTU enables real-time control and monitoring, simplifying PLC integration and remote diagnostics. Short circuit protection and variable/constant torque profiles help maintain uptime during startup and load changes, reducing maintenance costs and extending motor life. These features collectively support faster line deployment and a lower total cost of ownership for industrial automation projects.
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FAQs
Begin by mounting the drive inside a compliant enclosure and wiring the line inputs L1-L3 with proper protective earth. Connect the motor to U/V/W terminals, then configure basic parameters via the built-in keypad. If PLC integration is planned, enable Modbus-RTU communication and ensure the enclosure integrity remains IP66/UL 4X after installation. Verify wiring, torque settings, and safety interlocks before commissioning.
The ACS255 supports both AC induction motors and permanent magnet (PM) motors using sensorless vector control, with V/Hz regulation for variable torque and constant torque profiles. For best results, match motor nameplate current and impedance to the drive rating and select the appropriate torque mode to optimize performance on pumps, fans, conveyors, augers, and mixers.
Yes. The drive features an IP66/UL Type 4X enclosure and corrosion‑resistant materials, making it suitable for washdown and wet/dusty environments indoors or outdoors. This durability reduces corrosion risk in food processing, dairy, mining, and chemical processing, while maintaining reliable operation and straightforward access to configuration and diagnostics.
The ACS255 includes an embedded Modbus-RTU interface for real-time control and monitoring, enabling straightforward PLC integration and remote diagnostics. This makes it easier to coordinate with existing automation architectures, perform status checks, and implement centralized control across multiple motors in a single line or between lines.
By enabling precise torque control, faster commissioning, and robust washdown protection, the ACS255 reduces downtime and energy use, lowering operating costs. The integrated keypad and Modbus-RTU interface simplify diagnostics and maintenance scheduling, supporting longer motor life and easier scalability as automation needs grow.