ABB 3AUA0000005380 ACS550-U1-157A-4+B055 - IP54-NEMA12
Part Number: 3AUA0000005380
Quick Summary
ACS550-U1-157A-4+B055 drive delivers precise motor speed control for conveyors and pumps. Engineers often face energy waste and downtime when drives don’t match system voltages or protection levels. With CE certification and IP54-NEMA12 protection, it supports 380-500V input and 48-63Hz operation in harsh environments. This ABB solution reduces commissioning time, lowers panel wiring costs, and provides reliable performance across global sites, making it a strong fit for industrial automation and process control projects where efficiency and reliability matter.
Product Information
Extended Description
3AUA0000005380 ABB: ACS550-U1-157A-4+B055
The ACS550-U1-157A-4+B055 is designed to operate across 380-500V ±10%, enabling seamless integration with common AC mains and minimizing the need for transformers or voltage conditioning, which translates to lower installed cost and faster project timelines. This feature supports 125HP output and 157A current, delivering robust torque control for conveyors and pump systems while maintaining energy-efficient operation that helps reduce running costs over the life of the plant. The IP54-NEMA12 enclosure rating protects sensitive electronics from dust and splashes, improving uptime in production floors and requiring less enclosure maintenance. Bottom or side conduit connections simplify panel layout and wiring, enabling quicker commissioning and easier future upgrades as production lines evolve. The 48-63Hz range ensures stable performance in regions with variable frequencies, reducing motor stress and extending equipment life. In practice, engineers gain a compatible, scalable solution within ABB’s ACS550 family, easing vendor interoperability and spare-part planning.
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FAQs
The ACS550-U1-157A-4+B055 supports bottom or side conduit connections and direct connect wiring, which simplifies panel layout and reduces wiring complexity. This installation flexibility shortens commissioning times, lowers labor costs during startup, and makes future upgrades easier, particularly in compact control panels and retrofit projects for conveyors and pumps.
The drive provides 125HP output with a current rating of 157A, designed for 380-500V input with ±10% tolerance. It operates across 48-63Hz, enabling stable speed control for variable-speed applications such as conveyors, fans, and pumps. These specs support reliable performance on common industrial power networks without transformer additions.
Yes. The IP54-NEMA12 enclosure rating offers protection against dust and moisture, improving uptime in dusty or damp plant environments. Combined with its 380-500V range and 48-63Hz operation, the drive is well-suited for conveyors and pump systems in manufacturing floors, water treatment, and process industries where reliability and protection are critical.
The drive carries CE certification and IP54-NEMA12 protection, indicating compliance with European safety standards and suitability for industrial environments. These certifications support regulatory compliance, facilitate installation in European facilities, and help ensure consistent performance under typical industrial conditions found in automation projects.
The ACS550-U1-157A-4+B055 can reduce energy consumption through efficient motor control and improved process stability, contributing to lower operating costs over the equipment’s life. Its robust enclosure and wiring flexibility reduce maintenance needs and downtime, while its compatibility with 380-500V networks minimizes transformer and panel complexity, delivering a favorable total cost of ownership for automation projects.