ABB 3AUA0000234189 LV AC micro drive - UL TYPE 4X / IP66
Part Number: 3AUA0000234189
Quick Summary
ABB 3AUA0000234189 LV AC micro drive enables precise motor control for industrial machines in washdown environments. OEMs often struggle with rugged protection, complex wiring, and unreliable performance when machines operate in wet, dirty, or outdoor settings. The drive delivers UL TYPE 4X / IP66 protection with corrosion‑resistant construction, sensorless vector control for both AC induction and PM motors, and embedded Modbus‑RTU for real‑time monitoring. By pairing an intuitive keypad with V/Hz control and variable torque profiles, it speeds commissioning, reduces downtime, and lowers total cost of ownership for augers, mixers, pumps, fans, and conveyors.
Product Information
Extended Description
3AUA0000234189 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.
Integrated keypad and onboard configuration tools streamline setup for the ACS255. This reduces commissioning time and minimizes wiring errors during machine startup. In practice, technicians save hours at line start, accelerating time-to-production in OEM assembly lines. Advanced motor control combines V/Hz guidance with sensorless vector control, delivering smoother starts, precise torque, and energy savings across varying loads. This translates to reduced wear on components and improved process stability for conveyors and pumps. Protection and ruggedness are built in with UL TYPE 4X / IP66 sealing and corrosion‑resistant materials, enabling reliable operation in washdown, dusty, or outdoor environments. For food, beverage, mining, or chemical processing lines, the drive persists where others struggle. Embedded Modbus-RTU provides seamless PLC integration and real‑time diagnostics, shortening troubleshooting cycles and enabling proactive maintenance planning. Operators can monitor motor current, speed, and fault history without specialized tools. Operating mode selection supports variable torque and constant torque V/Hz profiles, letting engineers tailor the drive to match pump and fan curves, optimize energy use, and meet regulatory alignment with minimal rework. This reduces total cost of ownership across lines handling augers, mixers, pumps, fans, and conveyors. The ACS255 family offers variants for easy insertion into existing machines, minimizing wiring changes and mechanical redesigns while preserving performance and reliability in demanding environments.
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FAQs
The ACS255 drive supports a range of LV AC motors and is ideal for machines that operate in wet, dusty, or corrosive settings. It excels with augers, mixers, pumps, fans, and conveyors, offering reliable speed control, compact installation, and easy PLC integration. Its sensorless vector control ensures smooth starts and precise torque across varying loads, reducing startup shock and downtime on production lines.
IP66 / UL TYPE 4X protection means the drive enclosure resists powerful washdowns, dust ingress, and corrosion, extending service life in challenging environments. For installation, this reduces enclosure protection requirements and simplifies mounting on rugged equipment. Maintenance is streamlined because you can perform inspections in wet areas without removing the drive, improving uptime and safety for operators.
Yes, the ACS255 includes an embedded Modbus-RTU interface for real-time data exchange with standard PLCs. This enables synchronous control, remote monitoring, and fault reporting without costly custom interfaces. Typical integration workflows involve speed setpoints, status feedback, fault codes, and energy metrics, which support predictive maintenance and tighter process control.
V/Hz with sensorless vector control provides consistent torque, accurate speed regulation, and smooth acceleration/deceleration for pumps and conveyors. This reduces current spikes, minimizes mechanical wear, and improves process stability. The result is energy efficiency, extended motor life, and improved line efficiency, particularly in systems with varying load profiles.
ROI comes from reduced commissioning time, energy savings from optimized torque, and longer equipment life due to robust protection and smooth motor control. Maintenance benefits include fewer field faults, remote monitoring capability via Modbus-RTU, and easier diagnostics. Operators should schedule periodic inspections of sealing gaskets and cable terminations to sustain IP66 integrity and performance.