ABB 3AUA0000004243 ACS550-U1-038A-4 - IP54 NEMA12
Part Number: 3AUA0000004243
Quick Summary
ABB ACS550-U1-038A-4 is a compact variable frequency drive that precisely controls AC motors for pumps, fans, and conveyors. End users often contend with energy waste, unreliable starts, and motor wear in demanding industrial environments. This drive delivers IP54-NEMA12 protection and CE compliance, with an R3-rated enclosure for rugged installations, ensuring dependable operation in dusty or damp factory floors. By simplifying wiring, reducing inrush, and delivering smooth acceleration, it helps lower energy bills and maintenance overhead. With compatibility for standard 380-500V systems and 48-63Hz operation, this unit supports broader motor portfolios while enabling efficient, scalable automation projects. In short, it blends robust protection with easy integration to strengthen uptime and return on investment.
Product Information
Extended Description
3AUA0000004243 ABB: ACS550-U1-038A-4+B055
Feature: Wide voltage and frequency support (380-500V ±10%, 48-63Hz) → Business Impact: Enables direct drive compatibility with common three-phase motors, reduces the need for multiple drive tiers, and lowers spare-part complexity. Application: Pumps, conveyors, and fans in mixed-voltage facilities. Feature: IP54-NEMA12 enclosure with R3 mounting → Business Impact: Enhanced dust and splash protection extends equipment life and minimizes washdown-related downtime. Application: Manufacturing floors and assembly lines in challenging environments. Feature: Bot/Side Conduit wiring and compact footprint → Business Impact: Faster installation, cleaner cable routing, and safer maintenance windows. Application: New builds and retrofits with limited panel space. Feature: 25HP rating at 380-500V and 38A current → Business Impact: Direct motor match for medium-power drives, reducing gearbox losses and improving torque control. Application: Material handling, process control, and process cooling systems. Feature: CE compliance and robust protection features → Business Impact: Regulatory alignment and safer operations reduce compliance risk and extend asset life. Application: Industrial plants requiring formal safety certifications and reliable control.
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FAQs
Yes. The ACS550-U1-038A-4 is specified for 380-500V ±10% three-phase power with a 48-63Hz range, making it a direct fit for many standard industrial motors. Its Bot/Side Conduit option simplifies wiring, while the R3 mounting and compact footprint ease retrofit into existing panels and new builds alike.
The drive is rated for 25HP with a current capacity of 38A, operating across 48-63Hz at 380-500V. These specs support reliable acceleration, torque control, and energy-efficient speed modulation for typical pumps, fans, and conveyors in medium-power automation tasks.
Absolutely. The IP54-NEMA12 protection rating provides dust and splash resistance, and the enclosure is designed for rugged, R3-rated installations. This combination reduces contamination risk and maintenance frequency, enabling dependable operation in challenging manufacturing settings.
The unit carries CE compliance for electrical safety and conforms to industrial enclosure standards with IP54-NEMA12 protection. These certifications support safe integration into regulated facilities and help streamline procurement for compliant automation projects.
Using the ACS550-U1-038A-4 typically lowers energy consumption through efficient motor control and soft-start functionality, reducing mechanical wear. Its robust protection and straightforward wiring shorten downtime during installation and servicing, contributing to a faster payback and improved total cost of ownership.