ABB ACS550-U1-031A-4 | 3AUA0000002190

ABB ACS550-U1-031A-4 | 15 HP Variable Frequency Drive, IP21

Global Commercial Alias: ACS550-U1-031A-4
Product ID: 3AUA0000002190
ABB Type Designation: ACS550-U1-031A-4
Catalog Description: General purpose AC drive, 15 HP, 31 A, 3-phase, 380–480 V, IP21, wall-mounted

Overview

The ABB ACS550-U1-031A-4 is a 15 HP variable frequency drive designed for general-purpose motor control applications. With a 3-phase 380–480 V input, 31 A output, and IP21 protection, it provides reliable, scalable, and energy-efficient performance across multiple industries.

Key Features

• Motor Power: 11 kW (15 HP)

• Input Voltage: 380–480 V AC, 3-phase

• Output Current: 31 A

• Output Frequency: 0 to 500 Hz

• Control Methods: Scalar (V/f), Sensorless Vector

• Overload Capacity:

  • Heavy Duty: 150% for 60 sec

  • Normal Duty: 110% for 60 sec

• Built-in EMC Filter: Category C2

• Safety Function: Safe Torque Off (STO)

• Communication: Modbus RTU (RS-485)

• User Interface: Integrated keypad with intuitive control panel

• Enclosure Type: IP21 wall-mounted

• Cooling Method: Forced air cooling

Technical Specifications

• Model Number: ACS550-U1-031A-4

• Input Frequency: 50/60 Hz

• Analog Inputs: 2

• Digital Inputs: 6

• Analog Outputs: 2

• Relay Outputs: 3

• Operating Temperature: -10°C to +50°C

• Dimensions (H x W x D): 520 mm x 203 mm x 229 mm

• Weight: Approx. 12.5 kg

• Certifications: CE, UL, cUL

Applications

• HVAC systems

• Pumps and fans

• Material handling

• Compressors

• General machinery in industrial environments

Product Description

The ACS550-U1-031A-4 offers all-in-one functionality for seamless motor control. With built-in STO, EMC filtering, and a user-friendly keypad interface, it ensures fast commissioning and dependable operation in diverse applications.

Why Choose ABB ACS550-U1-031A-4?

• Compact and efficient drive for 15 HP motors

• Built-in features reduce external component needs

• Easy installation and configuration

• Ideal for a wide range of industrial applications

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Ready for worldwide delivery with full technical support.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply