ABB ACS550-U1-03A9-6 Industrial Motor Drive - IP21/NEMA1
Part Number: 3AUA0000009448
Quick Summary
ABB ACS550-U1-03A9-6 industrial motor drive delivers precise speed control for pumps, fans, and conveyors in automation. Many deployments struggle with wiring complexity and retrofit challenges, causing downtime and costly rewiring. This model features IP21 ingress protection and a NEMA 1 enclosure, supporting CE-compliance for global deployments. By combining reliable motor control with easy installation and contractor-friendly wiring, it reduces downtime while improving energy efficiency and process stability. Additionally, its 48–63 Hz operating range and 3 HP rating support scalable automation across multiple lines.
Product Information
Extended Description
3AUA0000009448 ABB: ACS550-U1-03A9-6
Feature: 3 HP output and 3.9 A current provide reliable torque for medium-load motors. Business Impact: Enables smooth acceleration, reduced motor wear, and improved energy efficiency, contributing to lower operating costs. Application: Pumps and fans in process lines, conveyors on packaging lines. The long-tail terms here include ACS550 drive, 3 HP motor drive, and industrial automation integration. Feature: IP21 enclosure with NEMA 1 protection plus Bot/Side Conduit and Dir Connect wiring. Business Impact: Simplifies on-site installation, improves dust and splash resistance in ordinary environments, and speeds maintenance routines. Application: New builds and retrofits in machine rooms with limited space. Feature: Direct connect wiring capability reduces wiring complexity and installation time. Business Impact: Cuts labor costs, minimizes field wiring mistakes, and accelerates commissioning. Application: OEM assembly lines and retrofit projects across various industries. Feature: Compatibility with standard plant controls and straightforward commissioning. Business Impact: Shortens training time for operators and technicians, boosts uptime, and enhances process stability. Application: Industrial automation across pumps, conveyors, and fans, especially in mid-scale facilities. Feature: Robust ABB reliability with consolidated support for 48–63 Hz operation and 3 HP rating. Business Impact: Scales across multiple lines, delivering consistent performance while reducing spare-part inventory. Application: Multi-line automation in manufacturing environments requiring flexible frequency response.
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FAQs
Install the drive in a suitable enclosure and route power and sensor wiring through the Bot or Side Conduit as specified by ABB. Use direct connect wiring to minimize terminal blocks and connect control wiring per the ACS550 installation guide. Ensure the IP21/NEMA1 rating is maintained by sealing entry points and following locking/cover procedures during commissioning.
The drive provides a 3 HP output with typical current around 3.9 A, enabling precise torque control for mid-range motors. The 48-63 Hz operating range supports standard utility frequencies and speed control for pumps, fans, and conveyors, improving process responsiveness while reducing mechanical stress and energy consumption during variable-speed operation.
Yes. The model is designed for general-purpose motor control in packaging and material-handling environments. Its 3 HP rating, broad Hz range, and easy wiring make it well-suited for conveying, lifting, and pump applications where reliable speed control and smooth start/stop transitions reduce downtime and wear on mechanical components.
The product specifies IP21 ingress protection and a NEMA 1 enclosure, facilitating use in indoor industrial spaces. CE-compliance is commonly expected for global deployments; verify the final catalog or with ABB for region-specific certifications to ensure it meets local regulatory requirements for your facility.
Expected ROI comes from energy savings through efficient speed control, reduced motor wear, and lower downtime due to reliable operation and easier installation. Maintenance considerations include periodic diagnostics via built-in features, routine inspection of conduit connections, and ensuring dust control around the IP21-rated enclosure to maintain protection levels.