ABB ACS255-03U-06A1-2+B068 LV AC Micro Drive - IP66
Part Number: 3AUA0000234203
Quick Summary
ABB ACS255-03U-06A1-2+B068 is a LV AC micro drive designed for precise motor control in demanding industrial applications. End users often contend with harsh environments, corrosion, and frequent downtime, which complicate setup and maintenance. This drive is UL-listed with NEMA Type 4X and IP66 ratings, plus corrosion-resistant construction for indoor or outdoor use. With V/Hz control, sensorless vector mode, and an embedded Modbus-RTU interface, it supports reliable, energy-efficient operation and real-time monitoring. Coupled with an integrated keypad and robust protection features, it delivers faster commissioning and long-term total cost of ownership improvements.
Product Information
Extended Description
3AUA0000234203 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 integrated keypad for configuration → Business Impact reduces commissioning time and dependency on external tools → Application machine builders and integrators can quickly program and deploy drives on new equipment. Feature V/Hz control with sensorless vector control → Business Impact delivers improved torque across the speed range and energy efficiency → Application pumps, fans, conveyors that experience variable loads benefit from smoother starts and reduced motor current. Feature embedded Modbus-RTU interface → Business Impact enables seamless PLC/SCADA integration and real-time monitoring → Application supports centralized control and condition-based maintenance. Feature IP66 / UL NEMA Type 4X rated enclosure with corrosion-resistant materials → Business Impact enables washdown-ready, outdoor and marine-adjacent installations with extended service life → Application food processing, packaging lines, and outdoor conveyors. Feature enhanced short-circuit protection and multiple operating modes → Business Impact reduces equipment downtime and protects both drive and motor assets → Application critical for high-availability systems in harsh environments. Compatibility and installation advantage: 240 V input with standard mounting and easy wiring simplifies retrofit projects and minimizes engineering effort, while the Modbus interface supports scalable automation architectures across multiple lines.
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FAQs
The ACS255-03U-06A1-2+B068 is designed for 240 V AC input at standard 50/60 Hz. Install it in a washdown-ready, IP66/NEMA Type 4X environment or in a suitable enclosure. Connect to the motor using protected starter wiring, configure via the integrated keypad, and interface with a PLC or HMI using the embedded Modbus-RTU. Ensure proper grounding, voltage compatibility, and adherence to local electrical codes during commissioning.
Sensorless vector control provides precise torque and speed regulation without a physical rotor sensor. This improves low-speed torque, accelerates smoother startup, and enhances overall efficiency, especially under variable load conditions such as conveyors and pumps. It simplifies maintenance by reducing sensor components while still delivering responsive motor performance.
Yes. The ACS255 features a UL-listed, NEMA Type 4X/IP66-rated enclosure with corrosion-resistant materials, making it well-suited for washdown and outdoor applications. This construction helps maintain reliability in wet and dirty environments, reducing the risk of corrosion-related downtime.
The embedded Modbus-RTU interface enables real-time monitoring of motor speed, current, voltage, and torque, along with fault codes and drive status. This supports proactive maintenance, integration with PLCs/SCADA, and data-driven optimization across multiple machines in a line.
Expect reduced energy consumption due to efficient V/Hz control and smooth torque management, alongside lower downtime from robust protection features and easier commissioning. The integrated keypad accelerates setup, while Modbus-RTU enables centralized monitoring, delivering faster deployment and better lifecycle costs on pumps, fans, and conveyors.