ABB 3AUA0000009444 ACS550-U1-078A-4+B055 - IP54-NEMA12
Part Number: 3AUA0000009444
Quick Summary
ABB ACS550-U1-078A-4+B055 drive provides efficient, precise motor control for industrial conveyors, pumps, and machine tools. It addresses downtime and installation complexity by offering a wide 380-500V voltage range and straightforward plug‑and‑play wiring. With IP54-NEMA12 protection and a 48–63 Hz operating window, it stands up to dusty, humid environments while maintaining reliable performance. The unit is designed for easy integration into ABB automation ecosystems, delivering energy efficiency, reduced total cost of ownership, and scalable control for growing plants. In practice, engineers appreciate the robust enclosure, reliable 60HP capability, and the ability to source common spare parts quickly.
Product Information
Extended Description
3AUA0000009444 ABB: ACS550-U1-078A-4+B055
Feature: Wide voltage and frequency range enables a single drive to cover multiple regional grids. Business impact: reduces spare parts and procurement complexity while enabling global deployments. Application: conveyors, pumps, fans in multinational manufacturing. Feature: 60 HP, 77 A rating provides strong torque and consistent acceleration with smooth motor control. Business impact: improves process stability, reduces motor wear, and lowers maintenance costs. Application: material handling, high-demand conveyors, process pumps. Feature: IP54-NEMA12 enclosure protects electronics from dust and moisture. Business impact: minimizes downtime in harsh environments and extends drive life. Application: outdoor or dust-prone areas, humid facilities. Feature: Dir Connect and Bottom/Side conduit wiring options simplify installation and retrofit projects. Business impact: faster commissioning, easier panel design, and reduced wiring errors. Application: new builds and plant renovations. Feature: Compatibility with ABB control ecosystems supports centralized monitoring and maintenance planning. Business impact: lowers total cost of ownership and simplifies spare parts strategy. Application: integrated automation environments across facilities.
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FAQs
Yes. The ACS550-U1-078A-4+B055 supports a voltage range of 380-500V ±10%, enabling operation across regional grids. Ensure motor compatibility and proper wiring for safe soft-start and torque control in your application, whether it’s conveyors, pumps, or fans.
The drive is rated at 60HP with a nominal current of 77A. It is suitable for medium-sized industrial motors within this power band, enabling smooth acceleration, precise speed control, and efficient energy use in applications such as material handling, pumping, and process fans.
Yes. The unit’s 60HP output, wide voltage range, and robust enclosure support reliable speed control for conveyors and pumps. Its compact wiring options and compatibility with ABB automation systems help shorten commissioning times and improve process consistency across production lines.
The drive features IP54-NEMA12 enclosure protection, which guards against dust and moisture. This rating reduces downtime in harsh environments, extends component life, and provides reliable operation on factory floors, outdoors, or in humid facilities where equipment exposure is common.
Expect energy savings from optimized motor control, reduced wear from soft-start torque management, and lower maintenance costs due to robust IP-rated protection. The drive’s compatibility with ABB ecosystems also simplifies spare parts management and centralized monitoring, contributing to faster troubleshooting and improved uptime.