ABB ACS550-01-045A-4 Wall-mounted universal low-voltage frequency converter

Product Description

ACS550-01-045A-4 is an ABB ACS550 wall-mounted general-purpose low-voltage AC drive with frame size R3, accepting 3-phase 380~480V AC input. Normal duty rated power 22kW with rated output current 45A; heavy duty rated power 18.5kW with heavy-duty current 38A. It supports V/F control and vector control, built-in Modbus communication and harmonic suppression reactor, IP21 protection class. Featuring easy commissioning, comprehensive motor protection and fault diagnosis functions, it is widely used for fans, pumps and general machinery motor driving, serving as a common complete unit replacement spare part in industrial sites.

Specifications

• Model: ACS550-01-045A-4
• Frame Size: R3
• Type: General-purpose Wall-mounted Low Voltage AC Drive
• Input Power: 3-phase AC 380~480V, 47.5~63Hz
• Normal Duty Power: 22kW, Rated Output Current: 45A
• Heavy Duty Power: 18.5kW, Heavy Duty Output Current: 38A
• Output Frequency Range: 0~500Hz
• Control Modes: V/F control, vector control
• Communication: Built-in Modbus RTU
• Protection Class: IP21
• Mounting: Wall mounting
• Net Weight: approx. 11 kg
• Operating Temperature: -10℃ ~ +40℃
• Storage Temperature: -40℃ ~ +85℃
• Functions: Motor speed regulation, overload protection, overvoltage / undervoltage protection, overtemperature protection, fault logging, Modbus bus communication
• Certifications: CE, cUL, compliant with general industrial drive standards

Applications

1. Energy-saving variable frequency retrofit for fans and pumps in HVAC, water plants and power plants.
2. Motor drive for conveyors, mixers, cooling towers and other general industrial equipment.
3. Auxiliary drive control for production lines in chemical, paper-making and metallurgy industries.
4. Closed-loop regulation of flow and pressure for building air conditioning and water treatment systems.
5. Retrofit of old machinery, whole-unit replacement for faulty ACS550 series drives.

Series Models (Frame R3)

ACS550-01-038A-4, ACS550-01-045A-4