ABB 3AUA0000232558 ACS255 LVAC Drive - IP66 UL Type 4X
Part Number: 3AUA0000232558
Quick Summary
The ABB ACS255 drive is a LV AC micro drive designed to control machines with precise speed and torque. Maintenance in washdown environments and high-duty applications can lead to downtime and costly recalibration. It carries CE marking and durable protection with IP66 enclosure and UL Type 4X corrosion resistance, empowering safe outdoor and indoor use. Embedded Modbus-RTU enables real-time monitoring, while sensorless vector control supports both AC induction and PM motors, delivering reliable performance. This combination reduces energy consumption, simplifies integration, and lowers total cost of ownership for automation lines.
Product Information
Extended Description
3AUA0000232558 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 simplifies setup and commissioning on long lines, enabling faster start-up and fewer on-site adjustments. Business impact: reduces labor time, minimizes commissioning errors, and accelerates time-to-production. Application: ideal for OEMs implementing rapid line changes in conveyors, pumps, and fans. Feature: V/Hz control with sensorless vector control provides accurate torque control for both induction and PM motors, lowering motor heat and energy use. Business impact: improves efficiency, extends motor life, and reduces thermal derating in continuous operation. Application: suitable for load-variable applications like mixers and augers where precise torque shaping matters. Feature: UL Type 4X / IP66 enclosure and corrosion-resistant materials deliver rugged durability in wet, dirty, or washdown environments. Business impact: minimizes maintenance, extends service intervals, and boosts uptime. Application: food processing, chemical, and outdoor installations where exposure is constant. Feature: Embedded Modbus-RTU interface enables real-time PLC communication and centralized monitoring, reducing wiring complexity and integration time. Business impact: lowers installation cost and speeds fault diagnostics. Application: synchronized control across conveyors, pumps, and fans. Feature: Short-circuit protection, multiple torque profiles (variable torque and constant torque), and easy installation path address common objections. Business impact: enhances safety, meets electrical codes, and delivers predictable performance under diverse load steps. Application: OEM lines with strict safety and performance requirements.
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FAQs
ACS255 installation starts with selecting a suitable panel and mounting the drive on a vibration-free base. Connect 240 V power to the dedicated supply terminals, wire the motor to the output terminals, and attach the Modbus-RTU communication lines to the PLC. Ensure gaskets and seals are in place for IP66 protection, and configure the keypad for basic parameters before commissioning tests. Follow the manufacturer’s wiring diagram and routine validation steps to confirm torque profiles and fault protection are active.
ACS255 provides V/Hz control with sensorless vector control, supporting both AC induction and permanent magnet motors. This enables precise torque management, reduced motor heating, and better energy efficiency. The drive supports variable torque and constant torque profiles, allowing optimized performance across load conditions, with an integrated keypad for straightforward configuration and quick tuning on site.
Yes. The IP66 enclosure and UL Type 4X-rated construction protect the drive in wet, dirty, or washdown environments, making it well-suited for conveyors and pump applications. Its motor control versatility, Modbus-RTU integration, and robust protection reduce downtime, improve uptime, and simplify integration with PLC-based automation on food processing or chemical handling lines.
ACS255 carries CE marking for European compliance, IP66 enclosure protection, and UL Type 4X corrosion resistance. These certifications ensure safe operation in harsh environments, enable regulatory compliance for machinery, and support long-term reliability in outdoor or washdown processes, reducing risk for regulated industries and improving vendor qualification during procurement.
The drive contributes to ROI through energy savings from efficient motor control, reduced machine downtime due to robust enclosure protection, and faster commissioning with the integrated keypad. Maintenance needs are minimized by reliable short-circuit protection and durable materials, while real-time monitoring via Modbus-RTU supports proactive maintenance and performance optimization across automated lines.