ABB ACS550-01-125A-4 3ABD68589657 Frequency Converte

The ABB ACS550-01-125A-4 (part number 3ABD68589657) is a robust and versatile AC frequency converter (variable frequency drive, VFD) designed to control the speed and torque of standard AC induction motors. It is part of ABB’s widely adopted ACS550 series, which is recognized for its reliability, energy efficiency, and ease of integration into industrial systems.

Built for harsh industrial environments and general-purpose applications, the ACS550-01-125A-4 supports a wide range of voltages, robust protection features, and intuitive control. Its standard functionality includes built-in PID control, vector control for accurate torque performance, and user-friendly interface options for seamless setup and commissioning.

Whether for fans, pumps, conveyors, mixers, or compressors, this drive ensures smooth motor operation, energy savings, and extended equipment life.

Product Specifications

Product Applications

The ACS550-01-125A-4 is suitable for a wide array of industrial and commercial motor control applications. It delivers exceptional control precision, energy efficiency, and system compatibility for the following uses:

• HVAC Systems (fans, compressors, chillers, blowers)

• Water and Wastewater Treatment (pumps, aerators)

• Industrial Conveyor Systems

• Mixers and Agitators in food, chemical, and pharmaceutical sectors

• Crane and Hoist Motors

• Machining Equipment such as grinders and saws

• Agricultural Equipment including irrigation systems and grain elevators

Its design supports both new installations and retrofit projects where energy savings and motor efficiency are key.

Product Advantages

• Energy Savings: Reduces power consumption by dynamically adjusting motor speed to actual demand.

• User-Friendly Commissioning: Features a startup assistant and multilingual keypad interface.

• Built-in Features: No need for external PID controller or communication modules for basic applications.

• Robust Design: Handles challenging environments and provides reliable thermal management.

• Quiet Operation: Adjustable switching frequencies reduce audible noise.

• Wide Compatibility: Integrates easily into existing electrical and automation systems.

• Comprehensive Protection: Includes overvoltage, undervoltage, overload, and motor short-circuit protection.

• Fieldbus Ready: Modbus RTU built-in, with options for PROFIBUS, DeviceNet, CANopen.

• Global Compliance: Certified to meet global electrical and environmental standards.

• Scalable Control: Suited for everything from simple pumps to complex system networks.

Frequently Asked Questions (FAQ)

1. What is the maximum power rating supported by the ACS550-01-125A-4?

   It supports up to 55 kW (75 HP) motor loads.

2. Can the drive be used with different types of motors?

   Yes, it supports standard induction motors and works well with sensorless vector control.

3. What is the protection rating of the standard unit?

   IP21 is standard; IP54 enclosures are available for more demanding environments.

4. Does the ACS550 come with built-in harmonic mitigation?

   Yes, it includes an integrated EMC/RFI filter compliant with C2 limits.

5. Is an external controller required to regulate the process?

   No, it includes an internal PID controller for direct process feedback regulation.

6. What fieldbus communication protocols are supported?

   Modbus RTU is standard. Optional modules are available for PROFIBUS, CANopen, and others.

7. What temperature limits should I consider for installation?

   Operates between -10°C and +40°C without derating. Up to +50°C with reduced performance.

8. Is there an option for remote operation?

   Yes, the drive supports remote control via communication protocols or remote I/O.

9. How easy is installation and maintenance?

   Very straightforward with wall-mount design, pluggable terminals, and clear wiring diagrams.

10. Can this drive be integrated into energy management systems?

    Yes, it supports energy optimization and is compatible with energy monitoring software platforms.