ABB ACS255-01U-07A0-2+B068 LV AC Drive - IP66/UL 4X
Part Number: 3AUA0000234190
Quick Summary
ACS255 LV AC drive provides precise motor control for machines such as augers, mixers, and conveyors. The compact unit helps reduce startup delays and field wiring errors by offering an integrated keypad and straightforward V/Hz configuration. With UL (NEMA) Type 4X / IP66 protection, it stands up to washdown, corrosion, and outdoor environments, delivering longer service life. The drive also features sensorless vector control for both AC induction and PM motors, plus embedded Modbus-RTU for real-time PLC integration. For engineers and maintenance teams, this combination translates into faster commissioning, lower downtime, and improved energy efficiency across diverse industrial applications.
Product Information
Extended Description
3AUA0000234190 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: Integrated keypad enables quick on-site configuration, reducing commissioning time and minimizing wiring errors, ideal for field installations on conveyors and mixers. The result is faster rackless setup and lower labor cost. Application: line startups and maintenance shifts benefit from streamlined control tuning without external PCs. Feature → Business Impact → Application: Sensorless vector control supports accurate torque and speed for both AC induction and PM motors, delivering smooth starting and reduced mechanical wear. Application: augers, pumps, and fans where precise torque profiles improve process stability and energy efficiency. Feature → Business Impact → Application: UL (NEMA) Type 4X / IP66 rated housing provides corrosion resistance and washdown suitability, increasing uptime in outdoor and wet environments. Application: food processing, agricultural equipment, and outdoor conveyors. Feature → Business Impact → Application: Embedded Modbus-RTU enables seamless PLC integration and real-time monitoring, decreasing wiring complexity and enabling remote diagnostics. Application: centralized control rooms and remote plant sections. Feature → Business Impact → Application: Short circuit protection and selectable operating modes (variable torque and constant torque) boost reliability and safety, reducing unplanned outages. Application: high-load conveyors and mixer drives. Feature → Business Impact → Application: Compatibility with both AC induction and PM motors broadens applicability, reducing part numbers and simplifying procurement. Application: multi-motor installations across the plant, from pumping stations to manufacturing lines.
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FAQs
Install the ACS255 by connecting 240 V supply as specified, wire the motor to the drive output, and connect the Modbus-RTU lines to the PLC. Use the integrated keypad to set basic motor parameters, then configure Modbus registers for real-time status and control. Ensure IP66/4X enclosure seals are intact for washdown environments.
Yes. The unit features UL (NEMA) Type 4X and IP66-rated housing with corrosion-resistant materials, designed for wet, dirty, or washdown applications both indoors and outdoors. This rugged enclosure reduces corrosion-related downtime and extends service life in challenging settings.
The ACS255 supports sensorless vector control for both AC induction and permanent magnet (PM) motors. This enables precise torque and speed control without a physical encoder, improving startup performance, energy efficiency, and reliability across mixed motor types in the same automation system.
Key ROI drivers include reduced commissioning time due to the integrated keypad, shorter wiring runs via embedded Modbus-RTU, and fewer spare parts thanks to PM and AC induction compatibility. The rugged IP66/UL 4X housing reduces maintenance costs in harsh environments, while energy-efficient V/Hz operation lowers operating power over the motor lifetime.
The drive includes enhanced short-circuit protection, configurable torque profiles (variable and constant torque), and real-time monitoring via Modbus-RTU. These features help prevent motor faults, optimize load handling, and provide actionable data for maintenance planning and downtime reduction.