ABB ACS550-U1-077A-6 VFD - IP21/NEMA1 Industrial Drive
Part Number: 3AUA0000009580
Quick Summary
ABB ACS550-U1-077A-6 VFD is a compact drive designed to precisely control 75 HP motors in demanding automation environments such as packaging lines. This solution tackles common pain points like inconsistent speed control, motor wear, and installation complexity by delivering robust, plug‑and‑play wiring and straightforward commissioning. The design emphasizes CE compliance and IP21/NEMA1 enclosure, helping you meet safety and installation standards in standard plant spaces. By adopting this drive, engineers can reduce energy consumption, extend motor life, and simplify spare parts management, delivering faster ROI. It also integrates with existing ABB automation ecosystems, leveraging familiar interfaces and local support for rapid deployment.
Product Information
Extended Description
3AUA0000009580 ABB: ACS550-U1-077A-6
High torque capability (75 HP, 77 A) provides confident starting and smooth ramping, reducing mechanical stress and process interruptions. This translates to longer motor life and fewer voltage dips on critical lines such as conveyors and packaging machinery. In practice, engineers deploy the ACS550-U1-077A-6 to maintain stable operation during high-load transitions. Wide frequency range (48-63 Hz) enables precise speed control across process steps while preserving torque; it reduces overshoot and improves process repeatability in fans, pumps, and extruders. The drive's control modes support reliable operation in varying load conditions, helping meet production targets. IP21/NEMA1 enclosure plus bottom/side conduit options simplify installation in standard plant spaces, reducing enclosure costs and enabling flexible panel layouts. This combination supports safer, cleaner wiring practices and faster commissioning. Direct Connect wiring minimizes cabinet footprint and wiring costs, while bottom/side conduit choices streamline cable management and maintenance access. These installation advantages translate into shorter project timelines and lower installation risk on new lines or upgrades. Compatibility with ABB automation ecosystems, easy commissioning, and built‑in protection features address common objections about integration and downtime. The result is lower lifecycle costs, improved uptime, and a smoother path to scalable automation across multiple lines.
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FAQs
Ensure correct enclosure and ambient conditions since IP21/NEMA1 suitability is for indoor, non-harsh environments. Verify supply voltage per nameplate and use bottom or side conduit routing as per panel layout. Use proper shielding, grounding, and motor overload protection; follow standard ABB wiring diagrams in the installation manual. Commissioning should prioritize minimizing inrush and dv/dt events to prevent nuisance trips.
The drive provides 75 HP (approximately 55.9 kW) with a current rating of 77 A, supporting speed control over a frequency range of 48-63 Hz. It uses an IP21/NEMA1 enclosure suitable for indoor installations and offers direct-connect wiring with bottom or side conduit. These specs enable reliable control of mid-range industrial motors in varied load conditions.
Yes. The 75 HP rating combined with 77 A current and smooth speed control makes it well suited for conveyor drives, where precise start/stop, acceleration, and torque handling reduce jams and wear. The IP21/NEMA1 enclosure supports typical indoor plant environments, while direct connect wiring simplifies integration with existing control panels and wiring schemes.
The drive features an IP21/NEMA1 enclosure, offering basic protection suitable for standard indoor installations. CE compliance is commonly expected for industrial equipment to meet essential safety, health, and environmental requirements. These certifications matter because they influence installation location, safety practices, and regulatory conformity across industrial facilities.
ROI is driven by energy efficiency, reduced motor wear, and lower downtime thanks to built-in protection features and reliable speed control. Maintenance is typically minimized due to robust ABB components, straightforward commissioning, and fewer spare parts during routine repairs. Businesses often see faster payback when integrating this drive into mid-range automation projects and multi-line deployments.