ABB ACS550-U1-023A-4 Motors & Drives - IP21/NEMA1
Part Number: 3AUA0000002189
Quick Summary
ABB ACS550-U1-023A-4 is a variable frequency drive that delivers precise motor control for general-purpose industrial pumps, fans, and conveyors. Engineers often contend with integration complexity, energy waste, and startup variability when replacing older drives in mixed electrical setups. This drive provides IP21 protection with a NEMA 1 enclosure, plus Dir Connect wiring and bottom or side conduit options to streamline panel layouts. Its universal 380–500 V input with a 48–63 Hz range supports global equipment fleets, while built-in diagnostics reduce commissioning time. Together, these features translate into lower maintenance costs, shorter downtime, and improved process reliability for HVAC, pumping, and material-handling applications.
Product Information
Extended Description
3AUA0000002189 ABB: ACS550-U1-023A-4
Feature: Precise motor control with 15HP output and 23A current rating. Business Impact: Delivers smooth speed regulation and torque management that minimize mechanical wear and energy waste, extending motor life and reducing energy costs. Application: Ideal for pumps, fans, and conveyors in manufacturing lines where precise ramp rates and speed matching improve process stability. Feature: Wide input and frequency range (380–500 V ±10%, 48–63 Hz). Business Impact: Enables global deployment across sites with varying power quality, reducing the need for site-specific reconfigurations and spare parts. Application: Suitable for multi-site HVAC and process equipment fleets that demand consistent performance. Feature: Robust enclosure and protection (IP21, NEMA 1). Business Impact: Enhances safety and simplifies installation in clean, non-hazardous environments, lowering risk of dust ingress and moisture-related downtime. Application: Panels and control cabinets in light-industrial facilities, OEM machines, and retrofit projects. Feature: Wiring convenience (Dir Connect) and bottom/side conduit options. Business Impact: Cuts wiring time, reduces wiring errors, and enables flexible panel layouts, supporting faster commissioning. Application: Retrofit projects and new line installations where space constraints and clean wiring are priorities. Feature: ABB ACS550 family compatibility and diagnostics. Business Impact: Facilitates seamless integration with existing ABB controls and provides proactive fault detection to minimize unplanned downtime. Application: Any line upgrading to modern drive control, including conveyors and material-handling systems.
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FAQs
Yes. The ACS550-U1-023A-4 is designed for three-phase motors operating on 380-500 V supply with ±10% tolerance. It supports a broad industrial footprint, including standard panel installations, Dir Connect wiring, and bottom or side conduit configurations to simplify wiring routes and cabinet space planning.
The model delivers 15 HP (approximately 11 kW) with a rated current around 23 A. It supports common industrial loads such as pumps, fans, and conveyors, offering smooth acceleration and deceleration profiles to match application torque without overloading the motor.
Yes, the drive is well-suited for pumps and fans in light- to medium-duty industrial environments. Its 48–63 Hz range accommodates variable-speed operation in multiple regions, while IP21 protection and NEMA 1 enclosure provide dependable enclosure protection in clean, non-hazardous spaces.
The unit features IP21 protection and a NEMA 1 enclosure, offering dependable ingress protection and enclosure integrity for standard control cabinets. This reduces dust ingress and exposure to minor moisture, which translates to safer operation and lower preventive maintenance costs.
Upgrading to the ACS550-U1-023A-4 can yield faster commissioning, reduced inrush with soft-start, and lower energy consumption through efficient motor control. The built-in diagnostics and compatibility with ABB controls also shorten downtime during maintenance, delivering favorable total cost of ownership over the motor-driven system lifecycle.