ABB ACS255-03U-22A0-6 LV AC Micro Drive - UL Open/IP20
Part Number: 3AUA0000199599
Quick Summary
ABB ACS255-03U-22A0-6 is a LV AC micro drive that delivers precise speed control for machines such as augers, mixers, pumps, fans and conveyors. Installing drives inside enclosures can be challenging due to space constraints, wiring complexity, and commissioning time; this model addresses those pains with a compact, integrated solution. It carries UL Type Open designation with an IP20 protection rating, enabling reliable open-enclosure installation while protecting internal components. The drive also supports sensorless vector control, V/Hz operation, and Modbus-RTU communication, offering flexible integration with PLCs and automation networks. By combining easy configuration with robust protection, you achieve faster startups, reduced downtime, and long-term operational efficiency for modular machinery and line equipment.
Product Information
Extended Description
3AUA0000199599 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
Feature: Integrated keypad and straightforward configuration. Benefit: Accelerated commissioning and reduced wiring errors, translating to lower setup costs and faster time-to-value for production lines. Application: OEMs deploying new lines with augers, mixers, or conveyors gain rapid tuning directly on the drive, minimizing remote programming trips. Long-tail keyword: open enclosure drive with keypad. Feature: V/Hz control plus sensorless vector control. Benefit: Precise torque and speed control across both AC induction and PM motors, improving process stability and energy efficiency. Application: Pump and fan applications benefit from smoother starts and reduced motor wear. Long-tail keyword: sensorless vector control for PM motors. Feature: Embedded Modbus-RTU interface. Benefit: Real-time monitoring and PLC integration for centralized visibility, health checks, and predictive maintenance. Application: Mixed automation environments with SCADA connectivity. Long-tail keyword: Modbus-RTU communication. Feature: Enhanced short-circuit protection and selectable operating modes (variable torque and constant torque). Benefit: Higher safety margins and predictable performance under varying loads. Application: Conveyors and mixers with fluctuating torque. Long-tail keyword: variable torque profiles. Feature: UL Type Open / IP20 enclosure compatibility. Benefit: Seamless installation inside machines and cabinets without over-specifying the enclosure, reducing footprint and cost. Application: Industrial automation lines requiring compact footprint. Long-tail keyword: UL open enclosure drive. Feature: Optional external control panel. Benefit: Flexible mounting and remote operation to suit machine layouts and control philosophies. Application: OEMs seeking modular control options and maintenance accessibility. Long-tail keyword: external control panel option.
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FAQs
Begin by verifying that the enclosure meets the IP20 rating and provides adequate clearance for the 600 V drive. Mount the ACS255 securely, connect motor and supply leads with proper torque, and wire the Modbus-RTU interface to your PLC. Use the built-in keypad for initial parameterization and then validate motor direction, speed range, and safety interlocks during commissioning to minimize operational downtime.
The ACS255 provides V/Hz control for robust scalar speed regulation and sensorless vector control for improved torque at low speeds. It supports 600 V operation and is suitable for both AC induction and PM motors. Its short-circuit protection and selectable torque profiles (variable and constant torque) help optimize efficiency, reduce motor wear, and tailor performance to load characteristics.
Yes. Its open enclosure design with IP20 protection and UL Type Open designation enables compact installation inside machinery. The drive’s programmable torque profiles, keypad-based setup, and Modbus-RTU interface support fast integration with pumps, conveyors, mixers, and other line equipment, delivering stable speed control, energy savings, and easier maintenance across diverse applications.
The ACS255-03U-22A0-6 carries UL Type Open designation with an IP20 enclosure rating, facilitating installation inside machine cabinets while providing essential protection. In addition, its 600 V LV class rating and Modbus-RTU communications support align with common industrial automation standards and networked control architectures.
Clients typically see shorter commissioning times due to the keypad-based configuration and straightforward wiring, plus reduced downtime from enhanced protection and reliable control. Energy efficiency gains from optimized V/Hz and sensorless vector control, combined with easier PLC integration via Modbus-RTU, contribute to lower operating costs and improved production reliability.