ABB ACS550-U1-125A-4 | 3AUA0000014482

ABB ACS550-U1-125A-4 | 75 HP Variable Frequency Drive, IP21

Global Commercial Alias: ACS550-U1-125A-4
Product ID: 3AUA0000014482
ABB Type Designation: ACS550-U1-125A-4
Catalog Description: General purpose AC drive, 75 HP, 125 A, 3-phase, 380–480 V, IP21, wall-mounted

Overview

The ABB ACS550-U1-125A-4 is a 75 HP general-purpose variable frequency drive designed for precise and energy-efficient motor control in industrial settings. With 125 A output current and 3-phase 380–480 V input, it delivers strong performance in HVAC, pumping, and process applications.

Key Features

• Motor Power: 55 kW (75 HP)

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

• Output Current: 125 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 navigation

• Enclosure Type: IP21 wall-mounted

• Cooling Method: Forced air cooling

Technical Specifications

• Model Number: ACS550-U1-125A-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): 700 mm x 252 mm x 285 mm

• Weight: Approx. 26.5 kg

• Certifications: CE, UL, cUL

Applications

• HVAC and air handling units

• Water and wastewater treatment plants

• Conveyors and crushers

• Industrial fans and pumps

• Processing equipment in manufacturing

Product Description

The ACS550-U1-125A-4 offers fast setup and reliable motor control out of the box. Its built-in features like STO safety and EMC filtering reduce component needs and simplify compliance. Designed for wall mounting with an IP21 enclosure, it’s a ready-to-deploy solution for demanding motor control.

Why Choose ABB ACS550-U1-125A-4?

• High performance with built-in protection features

• Simple installation and intuitive configuration

• Reduced energy consumption and downtime

• Compatible with a wide range of industrial systems

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Ready for global shipping with full support and documentation available.

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