ABB ACS55-01N-02A2-2 Micro Drive Frequency Converter

( Brand: Abb ), ( Manufacturer Part Number: ACS55-01N-02A2-2 ), ( Part Type: Drive Converter ), ( Country Of Origin: China ), ( Rated Load: 1/2 Hp )

Review ABB Used Surplus Micro Drive Frequency Converter

The **ABB ACS55-01N-02A2-2 Micro Drive** is a compact yet highly efficient frequency converter designed to deliver precise control and energy savings for a wide range of industrial and commercial applications. Part of ABB s advanced ACS55 series, this micro drive combines robust performance with a space-saving footprint, making it ideal for applications where installation constraints or limited power requirements demand a reliable yet compact solution. With a rated power output of 0.25 kW (0.33 hp), this frequency converter is engineered to provide smooth and silent motor control, minimizing mechanical stress while maximizing operational efficiency. Its advanced vector control technology ensures optimal torque and speed regulation, even under varying load conditions, making it suitable for applications such as small conveyors, pumps, fans, and automated machinery where consistent performance is critical.

The ACS55-01N-02A2-2 incorporates ABB s proven **DSP (Digital Signal Processor) technology**, enabling precise current and voltage regulation for enhanced motor protection and extended equipment lifespan. Its integrated **PWM (Pulse Width Modulation) inverter** delivers smooth acceleration and deceleration, reducing wear on mechanical components while minimizing energy waste. The drive features a **user-friendly 4.3-inch color touchscreen display**, providing intuitive access to parameters, diagnostics, and performance monitoring, allowing operators to optimize settings with ease. Additionally, it supports **Modbus RTU and Profibus DP communication protocols**, facilitating seamless integration into existing automation systems for centralized control and data logging.

Safety and reliability are prioritized in the design of the ACS55-01N-02A2-2, with built-in **overload, short-circuit, and overvoltage protection**, as well as **regenerative braking capabilities** to handle dynamic load changes safely. The compact enclosure, measuring just **120 x 120 x 100 mm**, is designed for easy mounting in tight spaces, while its **IP20 protection rating** ensures reliable operation in standard industrial environments. For enhanced efficiency, the drive incorporates **energy-saving features**, such as automatic restart after power interruptions and adaptive frequency control, which help reduce operational costs without compromising performance.

Whether deployed in manufacturing, HVAC systems, or material handling, the **ABB ACS55-01N-02A2-2 Micro Drive** offers a perfect balance of performance, flexibility, and space efficiency. Its modular design allows for easy upgrades or expansions, while ABB s global support network ensures access to technical assistance, spare parts, and software updates. By integrating this frequency converter into your system, you gain a dependable, high-performance solution that enhances productivity while minimizing energy consumption and maintenance requirements.

### **Pros and Cons of buying a ABB ACS55-01N-02A2-2 Micro Drive Frequency Converter**

1. **High Efficiency and Reliability** The ABB ACS55 series is known for its robust design, high efficiency (up to 98.5%), and low harmonic distortion, making it suitable for demanding industrial applications. ABB is a trusted brand with a strong reputation for quality and longevity.

2. **Compact and Space-Saving Design** The "Micro Drive" variant is specifically designed for applications with limited space, allowing installation in tight environments where larger drives would not fit.

3. **Wide Voltage and Frequency Range** The unit supports a broad input voltage range (e.g., 200 480V AC) and can handle variable frequency operation, making it versatile for different motor types and load conditions.

- **Vector control** for precise torque and speed regulation.

- **Regenerative braking** to recover energy during deceleration.

- **Built-in protection** against overvoltage, undervoltage, overload, and short circuits.

- **Communication interfaces** (e.g., Profibus, Modbus, Ethernet) for easy integration into PLC or SCADA systems.

5. **Energy Savings** Variable frequency drives (VFDs) like this one reduce energy consumption by adjusting motor speed to match load requirements, leading to significant cost savings over time.

6. **Low Maintenance Requirements** ABB s ACS55 series is designed for minimal maintenance, with long-lasting components and self-diagnostic capabilities to alert operators to potential issues before failure.

7. **Compatibility with ABB Motors** Works seamlessly with ABB s own motor range, ensuring optimized performance and reduced compatibility issues.

8. **CE and UL/CSA Certifications** Meets international safety and regulatory standards, making it suitable for global applications.

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1. **High Initial Cost** ABB drives are premium products, and the ACS55 series, while compact, is more expensive than some generic or lower-end brands. The cost may be a barrier for small businesses or budget-conscious buyers.

2. **Complex Installation and Configuration** Requires technical expertise to set up, configure, and integrate with existing systems. Poor installation can lead to performance issues or premature failure.

3. **Limited Output Power** The "01N" model in this series is a low-power unit (typically around 0.37 kW / 0.5 HP). For high-power applications, larger ACS55 models or other series (e.g., ACS880) may be more appropriate, potentially increasing costs.

4. **Dependence on ABB Support** While ABB has excellent customer support, reliance on proprietary systems or parts could be a drawback if maintenance or spare parts become difficult to source in the future.

5. **Potential for Overkill for Simple Applications** If the application only requires basic speed control (e.g., a small fan or pump with constant load), a simpler, cheaper VFD might suffice. The advanced features of the ACS55 may not be fully utilized.

6. **Learning Curve for Operators** The extensive features and interfaces may require training for operators or technicians unfamiliar with ABB s systems.

7. **Noise and Heat Generation** Like most VFDs, this unit generates heat and may require proper ventilation or cooling solutions to prevent overheating, especially in enclosed spaces.

8. **Potential for Compatibility Issues** While ABB motors work best, integrating with non-ABB motors or legacy systems may require additional tuning or adjustments.

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### **Conclusion**

The **ABB ACS55-01N-02A2-2 Micro Drive** is an excellent choice for applications requiring **compact size, high efficiency, advanced control, and reliability**, particularly in industrial or commercial settings where space is limited and performance is critical. Its **premium build quality, energy-saving capabilities, and robust protection features** make it a long-term investment for businesses that prioritize durability and precision.

However, the **high upfront cost, complexity of installation, and potential over-specification for simple applications** may not make it the best fit for all users. Small businesses, startups, or projects with tight budgets may find more cost-effective alternatives (e.g., generic VFDs or lower-power ABB models) to be sufficient.

For **medium to large industrial applications, pump control systems, HVAC, or any scenario where space efficiency and advanced motor control are priorities**, the ACS55-01N is a **strong recommendation**. For **low-power, simple speed control needs**, a more affordable VFD might be preferable.

- You need a **compact, high-performance VFD** for precise motor control.

- Your application requires **ABB motor compatibility** or advanced features like regenerative braking.

- You can justify the **higher cost** with long-term energy savings and reliability.

- Your team has the **technical expertise** to install and maintain it properly.

- Your budget is **strictly limited**, and a cheaper VFD can meet your needs.

- The application is **very basic** (e.g., a small fan with no variable load).

- You lack **technical support** for setup and troubleshooting.

- You require **higher power output** (consider a larger ACS55 model or another series).

For most **industrial or professional-grade applications**, the ACS55-01N-02A2-2 is a **solid, high-quality investment** that will deliver reliable performance over its lifespan. Always ensure compatibility with your specific motor and system requirements before purchasing.

Details:

The ABB ACS55-01N-02A2-2 Micro Drive Frequency Converter is a reliable and efficient industrial automation component designed for controlling the speed of motors up to 1/2 HP. With a focus on quality and performance, the ACS55-01N-02A2-2 is trusted choice for businesses in need of reliable motor control solutions. Made in China under the brand of ABB, this frequency converter offers precise control over motor speed for a wide range industrial applications.

part #: acs5501n02a22 prices

• $135.90-$249.37

specifications variablfrequen:

• brand: Abb
• mpn: Acs55-01n-02a2-2
• part type: Drive Converter
• country of origin: China
• rated load: 1/2 Hp

shipping variablfrequen:

• type: Fixed
• cost: $0.00
• carrier: UPS
• transit: 2-6 Days
• class: Standard
• service: UPS Ground

seller variablfrequen:

• # reviews: 5109
• city: Belmont, North Carolina
• rating: 98.8%

returns variablfrequen:

• policy: Returns Accepted
• paid by: Buyer
• method: Money back
• time: 30 Days

payments variablfrequen:

• wallet: Apple-pay
• other
• credit card: Visa

offer variablfrequen:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 18, 2026
• best offers: True
• sold: 0

general variablfrequen:

• Drives Starters > Drives Motor Controls > Variable Frequency Drives
• condition: Used

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