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ABB ACS550-01-038A-4 Variable Frequency Drive with display panel

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ABB ACS550-01-038A-4 | 3AUA0000002431-D

by ABB

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OverviewAttain exceptional motor management and energy conservation with the ABB ACS550-01-038A-4 variable frequency drive. This robust 18.5 kW (25 HP) general-purpose AC drive, from the esteemed ACS550 line, is crafted to enhance performance across diverse industrial uses. Engineered for seamless assimilation into 3-phase 380–480 V electrical systems, its IP21 wall-mounted enclosure guarantees dependable function across various industrial settings. The ACS550-01-038A-4 distinguishes itself through its intuitive interface, integrated safety attributes, and sophisticated command methods, positioning it as an optimal selection for facilities aiming for heightened operational effectiveness and reduced interruptions. Its thorough engineering facilitates rapid setup and consistent performance, ensuring your operations proceed smoothly and productively.Key Features Motor Output: 18.5 kW (25 HP) for powerful operation Line Voltage: 380–480 V AC, 3-phase, ensuring broad compatibility Current Output: 38 A for regulated power distribution Frequency Range: 0 to 500 Hz for adaptable motor speed control Control Modalities: Scalar (V/f) and Sensorless Vector for precise command Overload Tolerance: Heavy Duty: 150% for 60 seconds Normal Duty: 110% for 60 seconds Integrated EMC Filter: Category C2 standard for electromagnetic compatibility Safety Functionality: Built-in Safe Torque Off (STO) for elevated operational security Communication Interface: Modbus RTU (RS-485) for effortless system integration User Interface: Integrated keypad with an intuitive assistant control panel for straightforward configuration Enclosure Rating: IP21 wall-mounted, providing protection in various environments Cooling System: Forced air cooling to sustain optimal operating temperatures Technical Specifications Model Identification: ACS550-01-038A-4 Product Code: 3AUA0000002431-D Input Frequency: 50/60 Hz Analog Inputs: 2 Digital Inputs: 6 Analog Outputs: 2 Relay Outputs: 3 Operational Temperature: -10°C to +50°C Dimensions (H x W x D): 520 mm x 203 mm x 229 mm Mass: Approximately 9.7 kg Certifications: CE, UL, cUL for verified quality and adherence ApplicationsThe ABB ACS550-01-038A-4 serves as an adaptable VFD excelling in numerous industrial applications, delivering accurate and energy-efficient motor regulation: Pumps: Enhances fluid conveyance and lowers energy usage. Fans: Guarantees efficient air movement and climate regulation. Conveyors: Provides seamless and managed material transport. Compressors: Boosts performance and extends equipment lifespan. HVAC Systems: Delivers exact temperature and airflow administration. General Industrial Machinery: A dependable solution for a wide range of industrial motor control requirements. Why Choose This Model?The ABB ACS550-01-038A-4 variable frequency drive is engineered to provide superior performance and greater value. Its potent 18.5 kW capacity, combined with advanced features like Safe Torque Off (STO) and an integrated Category C2 EMC filter, ensures both operational safety and electromagnetic compatibility. This unit is designed for rapid and simple installation, minimizing downtime and maximizing output. Its capacity for seamless integration with existing systems via Modbus RTU (RS-485) further increases its appeal, offering a future-ready solution for your motor control demands. Opt for ABB for a dependable, energy-saving, and easily manageable solution that propels your operations forward.Order NowEnhance your industrial processes with the ABB ACS550-01-038A-4 Variable Frequency Drive. This high-performing unit, identified by Product ID 3AUA0000002431-D, is available for immediate global dispatch. Invest in ABB's renowned quality and innovation to optimize your motor control systems today.FAQHow much power does the ABB ACS550-01-038A-4 provide?This model offers a robust 18.5 kW (25 HP) for demanding industrial tasks.What are the input voltage requirements for this VFD?It is designed for 3-phase 380–480 V AC input, ensuring broad compatibility with industrial power systems.Does this drive include built-in safety features?Yes, it comes with an integrated Safe Torque Off (STO) function for enhanced operational safety.What communication protocols does the ACS550-01-038A-4 support?It supports Modbus RTU (RS-485) for seamless system integration.What kind of enclosure does this VFD have?The unit features an IP21 wall-mounted enclosure, offering protection for various industrial environments.

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PRODUCT DETAILS

ABB ACS550-01-038A-4 | 3AUA0000002431-D

Overview

This is a genuine ABB component from the ACS Drives family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine ABB catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader ABB automation ecosystem
  • Engineered to integrate inside ACS Drives installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your ABB equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same ABB catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation ABB platform with documented conversion notes for the ACS Drives family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model Identification: ACS550-01-038A-4
  • Product Code: 3AUA0000002431-D
  • Input Frequency: 50/60 Hz
  • Analog Inputs: 2
  • Digital Inputs: 6
  • Analog Outputs: 2
  • Relay Outputs: 3
  • Operational Temperature: -10°C to +50°C
  • Dimensions (H x W x D): 520 mm x 203 mm x 229 mm
  • Mass: Approximately 9.7 kg
  • Certifications: CE, UL, cUL for verified quality and adherence

Applications

The ABB ACS550-01-038A-4 serves as an adaptable VFD excelling in numerous industrial applications, delivering accurate and energy-efficient motor regulation:

  • Pumps: Enhances fluid conveyance and lowers energy usage.
  • Fans: Guarantees efficient air movement and climate regulation.
  • Conveyors: Provides seamless and managed material transport.
  • Compressors: Boosts performance and extends equipment lifespan.
  • HVAC Systems: Delivers exact temperature and airflow administration.
  • General Industrial Machinery: A dependable solution for a wide range of industrial motor control requirements.

Why Choose the ACS550-01-038A-4?

The ABB ACS550-01-038A-4 variable frequency drive is engineered to provide superior performance and greater value. Its potent 18.5 kW capacity, combined with advanced features like Safe Torque Off (STO) and an integrated Category C2 EMC filter, ensures both operational safety and electromagnetic compatibility. This unit is designed for rapid and simple installation, minimizing downtime and maximizing output. Its capacity for seamless integration with existing systems via Modbus RTU (RS-485) further increases its appeal, offering a future-ready solution for your motor control demands. Opt for ABB for a dependable, energy-saving, and easily manageable solution that propels your operations forward.

Availability & Shipping

  • In stock: ACS550-01-038A-4 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every ACS550-01-038A-4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — ABB

This model offers a robust 18.5 kW (25 HP) for demanding industrial tasks.

Machine down? We ship parts the same day.

New, surplus, and refurbished ABB inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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