ABB ACS55 Miniature Variable Frequency Drive (VFD)

The ABB ACS55 is a compact, reliable, and easy-to-use AC drive designed for small to medium motors, offering simple control for industrial and commercial applications. It’s widely used for pumps, fans, conveyors, compressors, and other machinery where energy efficiency and smooth motor control are needed.

Product Documentation

ABB ACS55 manual PDF (26 downloads )

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Key Features

• Power Range: 0.18 kW to 2.2 kW (0.25 HP to 3 HP)

• Input Supply: Single Phase 200–240V AC

• Output Supply: Three Phase 0–240V AC

• Frequency Range: 0–120 Hz

• Built-in EMC filter

• Integrated keypad and speed potentiometer

• Overload and short circuit protection

• Motor thermal protection

• Compact DIN rail mounting design

  ABB ACS55 Price

  Model	Voltage	Power (kW)	Current (A)	Price (€)
  ACS55-01E-01A4-2	200-240 V (1-phase)	0.18 kW	1.4 A	€266
  ACS55-01E-02A2-2	200-240 V (1-phase)	0.37 kW	2.2 A	€384
  ACS55-01E-04A3-2	200-240 V (1-phase)	0.75 kW	4.3 A	€427
  ACS55-01E-07A6-2	200-240 V (1-phase)	1.5 kW	7.6 A	€493
  ACS55-01E-09A8-2	200-240 V (1-phase)	2.2 kW	9.8 A	€546

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Technical Specifications

Input Voltage: 200–240V AC (1-Phase)
Output Voltage: 0–240V AC (3-Phase)
Frequency: 50/60 Hz
Control Method: V/f (Voltage/Frequency control)
Protection Class: IP20
Operating Temperature: 0°C to +40°C

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Applications

The ABB ACS55 VFD is ideal for:

• Pumps

• Fans and ventilation systems

• Small conveyors

• Mixers

• HVAC systems

• General small machinery

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Protection Features

• Overcurrent protection

• Overvoltage and undervoltage protection

• Motor overload protection

• Short circuit protection

• Overtemperature protection

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Advantages

• Energy saving performance

• Smooth motor start and stop

• Reduced mechanical stress

• Easy parameter setup

• Reliable ABB quality

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Why ABB ACS55 is Considered Best

1. Easy Installation & Use

   • Simple plug-and-play setup

   • User-friendly digital keypad and start-up wizard

2. Energy Efficiency

   • Saves energy by adjusting motor speed to load requirements

   • Reduces wear and tear on motors

3. Built-in Protection

   • Overload, short-circuit, overvoltage, undervoltage, and thermal protection

   • Ensures motor and drive longevity

4. Compact & Reliable Design

   • Small footprint fits limited panel space

   • Sturdy design for industrial conditions

5. Cost-effective

   • Affordable for small and medium machinery

   • Reduces maintenance and operational costs

6. Wide Application Range

   • Perfect for small machinery in industrial, commercial, and light manufacturing sectors

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Installation

The drive supports wall mounting and DIN rail installation. It is recommended to install the unit inside a control panel with proper ventilation and grounding.

Conclusion

The ABB ACS55 AC Drive is an ideal entry-level VFD for small motors, offering a perfect balance of performance, energy efficiency, and reliability. Its ease of use, compact design, and protective features make it one of the best solutions for controlling pumps, fans, conveyors, and other small industrial equipment, while keeping costs and maintenance low.