ABB ACS255-03U-02A1-6 LV AC micro drive - IP20
Part Number: 3AUA0000199592
Quick Summary
ACS255-03U-02A1-6 is a compact LV AC micro drive that controls motor speed for conveyors, pumps, augers and mixers. Installing drives that fit inside a panel and withstand harsh industrial environments can drive commissioning costs and downtime. With UL open / NEMA type compatibility and an IP20 rating, this drive is designed for inside-enclosure mounting while keeping protection high. Its Modbus-RTU interface and sensorless vector control enable precise control, integrated diagnostics, and remote monitoring to deliver measurable uptime and energy savings.
Product Information
Extended Description
3AUA0000199592 ABB: The ACS255 drive comes in several variants ensuring seamless integration into machines. The UL (NEMA) TYPE Open / IP20 ACS255 is designed for installation inside another enclosure. 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. Optional external control panel for remote mounting and control is available
Integrated keypad on-drive configuration enables fast setup and reduces operator errors. This minimizes commissioning time and lowers start-up risk for line starts, particularly on conveyors and mixers. The direct parameter access supports quick adjustments without external tools, boosting productivity in high-mix / low-volume production environments. V/Hz control with sensorless vector control delivers precise torque across varying loads and improves energy efficiency for both AC induction and PM motors. This translates to smoother starts, reduced current spikes, and better process stability on fans, pumps, and material-handling equipment. In practice, you gain reliable performance without the need for hobbyist tuning or oversized drives. Enhanced short-circuit protection and robust motor protection extend drive life and reduce unplanned downtime. In harsh environments, this protection helps prevent motor stalls and gear damage, supporting compliance with safety standards and improving overall line uptime. Variable torque and constant torque operating modes programmed via V/Hz profiles let you tailor performance to the application. This yields energy savings during light-load operation and improved start-up torque for high-demand tasks, especially in augers and conveyors where load varies during production. Embedded Modbus-RTU interface and optional external control panel enable real-time monitoring and PLC integration. You can diagnose faults, trend performance, and coordinate control across multiple axes, lowering integration costs and accelerating time-to-value in factory automation projects.
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FAQs
ACS255-03U-02A1-6 is designed for inside-enclosure mounting with IP20 protection and UL open/NEMA-type configurations. It supports panel integration with minimal wiring, thanks to an on-board keypad for setup and an embedded Modbus-RTU interface for PLC-friendly communication. This reduces enclosure footprint and shortens installation time on conveyors, pumps, and mixers.
The drive provides V/Hz control with sensorless vector control, supporting both AC induction and PM motors. This combination delivers precise torque across loads, smooth starts, and energy efficiency gains. It’s well suited for variable-torque applications like fans and conveyors as well as constant-torque needs during startup in packaging lines.
Yes. The ACS255-03U-02A1-6 is ideal for augers, mixers, pumps, fans, and conveyors. Its sensorless vector control and 600 V rating ensure reliable performance in mixed-load environments, while the compact form factor and IP20 enclosure simplify installation inside machine panels or control cabinets commonly found in packaging, processing, and material-handling lines.
The drive supports UL open/NEMA-type installation with IP20 enclosure protection and CE compliance for industrial environments. It includes enhanced short-circuit and motor protection to safeguard equipment and maintain safety standards, improving overall system reliability and reducing compliance-related risks on the shop floor.
Key ROI drivers include reduced commissioning time from on-drive configuration, energy savings from efficient V/Hz and vector control, and lower downtime due to robust protection. Remote monitoring via Modbus-RTU enables proactive maintenance and centralized diagnostics, while optional external control panels extend flexibility for remote mounting and operator control.