ABB ACS255-03U-06A5-6 LV AC Micro Drive - IP20
Part Number: 3AUA0000199595
Quick Summary
ACS255 LV AC micro drive provides precise speed control for open-enclosure machines such as conveyors and pumps. Engineers often wrestle with long commissioning times, motor mismatches, and integration hurdles in new lines. The drive offers V/Hz control and sensorless vector control for both AC induction and PM motors, plus an integrated keypad for quick setup and tuning. It carries UL listing for open/NEMA configurations and an IP20 protection rating, with CE conformity broadly supported within ABB's drive family; these certifications help ease compliance and installation across global sites. With Modbus-RTU, remote monitoring is straightforward, while embedded protection features reduce downtime and extend equipment life. Secondary benefits include compact installation, scalable torque profiles, and easier diagnostics to support uptime and ROI.
Product Information
Extended Description
3AUA0000199595 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
Sensorless vector control combined with V/Hz drive characteristics lets the ACS255 optimize torque and speed for both induction and PM motors. This translates into tighter process control, reduced motor wear, and lower energy consumption across pumps, fans, and conveyors. In real-world lines, you’ll see smoother starts and steadier operation even under varying loads. The integrated keypad enables quick commissioning and on-site tuning, reducing engineering time and field service visits while providing operators with intuitive control without needing a PC. Modbus-RTU communication supports real-time control and diagnostics, enabling seamless integration with existing PLCs and SCADA systems for centralized monitoring and alerts. Protective features like short-circuit protection and fault handling help minimize unplanned downtime, extending component life and reducing maintenance costs. The drive’s open IP20 enclosure design simplifies installation inside machine guards or panels, and its compatibility with external control panels offers flexible mounting and remote operation. Applications include augers, mixers, pumps, fans, and conveyors in manufacturing lines, packaging, and process industries, where energy efficiency and reliable torque are essential.
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FAQs
Installation within an IP20 open enclosure should begin with securing the drive to a rigid mounting surface, ensuring adequate ventilation, and routing input power and motor leads per the ABB wiring diagram. Connect the Modbus-RTU channel for control and monitoring, set motor parameters via the onboard keypad, and configure safety features such as short-circuit protection. The open/NEMA Type configuration supports panel integration, while the optional external control panel can be mounted remotely for convenient access on larger machinery layouts.
The ACS255 combines V/Hz control with sensorless vector control, delivering precise torque and speed control for both induction and permanent magnet motors. This reduces torque ripple, improves starting performance, and lowers energy consumption under varying loads. For pumps, fans, conveyors, and mixers, that translates to smoother operation, longer motor life, and predictable process behavior even as load conditions change.
Modbus-RTU on the ACS255 enables direct communication with PLCs and SCADA systems, allowing real-time speed commands, parameter updates, and fault/status readouts. This facilitates centralized monitoring, easier remote diagnostics, and faster response to anomalies. Operators can tune performance without opening the machine cabinet, reducing downtime and improving overall equipment effectiveness (OEE).
Ideal applications include augers, mixers, pumps, fans, and conveyors where reliable speed control and torque management are critical. The 600 V input and IP20 open enclosure support integration into compact machine envelopes, while the open NEMA Type configuration allows installation inside machine frames. The drive’s protection features and straightforward configuration help meet production uptime and throughput targets in material handling and processing lines.
Key certifications for this drive include IP20 enclosure protection and UL listing for open/NEMA Type configurations, which align with common safety and electrical installation standards. While CE conformity is widely supported across ABB drive families, always verify regional regulatory requirements for your site. Plan for proper grounding, lockout/tagout procedures, and appropriate derating in high-temperature environments to maintain compliance and equipment safety.