ABB ACS255-03U-39A0-4+B068 LV Micro Drive - IP66 UL 4X
Part Number: 3AUA0000232566
Quick Summary
The ABB ACS255-03U-39A0-4+B068 LV AC micro drive is a compact control solution that delivers precise motor control for conveyors, pumps and mixers. In practice, engineers struggle with unreliable speed regulation and costly downtime in washdown environments; this drive addresses that by delivering consistent performance even in harsh settings. The unit carries UL Type 4X (NEMA) and IP66 protection, ensuring corrosion resistance and washdown readiness. Its advanced control modes and built-in Modbus-RTU interface simplify integration, while sensorless vector control and V/Hz profiles support energy efficiency and smooth start-up. This combination lowers maintenance costs and accelerates commissioning, helping OEMs meet uptime targets and maximize throughput in demanding applications.
Product Information
Extended Description
3AUA0000232566 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: IP66 protection with UL Type 4X/NEMA 4X enclosure. Business Impact: Delivers reliable operation in wet, dirty, or washdown environments, reducing corrosion-related failures and maintenance costs. Application: Suitable for outdoor or washdown areas in conveyors, pumps and mixers. Feature: Integrated keypad and easy on-device configuration. Business Impact: Speeds up commissioning and reduces commissioning labor, enabling faster time-to-value on new lines. Application: OEMs deploying automated lines where quick setup matters. Feature: V/Hz control with sensorless vector control. Business Impact: Improves speed regulation and torque response with higher energy efficiency and reduced motor heat. Application: Drives for AC induction and PM motors in fans, pumps, augers. Feature: Embedded Modbus-RTU communication. Business Impact: Enables real-time monitoring and OT/IT integration, supporting centralized diagnostics and remote tuning. Application: Industrial automation networks for conveyors and packaging lines. Feature: Variable torque and constant torque profiles. Business Impact: Delivers optimized performance across load conditions, improving process stability and energy usage. Application: Conveyors, augers, mixers and other load-varied equipment. Feature: Enhanced short-circuit protection. Business Impact: Increases equipment reliability and safety margins, reducing unplanned downtime. Application: Heavy-duty drives in harsh industrial environments. Industry insight: This drive is particularly advantageous in process and material handling sectors where washdown compatibility, drivetrain reliability, and scalable control are critical to ROI. The device’s compatibility with 480 V systems and PM motors broadens its applicability across plant floors that demand robust, programmable speed control with fast integration.
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FAQs
Installation involves matching the drive’s 480 V input to your motor, wiring the motor to the drive’s output, and configuring protection settings. The IP66/UL 4X-rated enclosure protects against washdown and corrosion, so mount in a guarded, accessible location and seal all connectors. Use the keypad for initial setup and then enable Modbus-RTU for remote monitoring. Proper earth/grounding and overcurrent protection are essential for reliability.
The ACS255 supports V/Hz control and sensorless vector control for both AC induction and PM motors. This combination provides accurate speed regulation, smoother torque, and improved efficiency, especially under variable load conditions. For pumps and fans, you’ll experience reduced energy consumption and cooler operation, which translates into lower operating costs and extended motor life.
Yes. The UL Type 4X/NEMA 4X enclosure and IP66 rating make the drive highly resistant to washdown, corrosion, and moisture. Its rugged construction, together with easy keypad configuration and Modbus-RTU connectivity, supports compliant operation in demanding food and beverage facilities. Ensure proper installation practices and follow local electrical codes during integration.
The ACS255 features IP66 protection and UL Type 4X (NEMA 4X) rated enclosure, indicating suitability for harsh environments including washdown areas. These certifications help ensure durability in wet, dirty, or outdoor settings, while enabling safer operation. Always verify local regulatory requirements and ensure correct enclosure and wiring practices to maintain compliance.
Projected ROI comes from reduced downtime due to rugged IP66/4X protection, energy savings from efficient motor control, and faster commissioning via the integrated keypad and Modbus-RTU. Maintenance is lowered due to robust protection and short-circuit protection, reducing unscheduled outages. For a precise estimate, analyze motor load profiles, duty cycles, and maintenance intervals before deployment.