ALLEN BRADLEY 20G1AND125AA0NNNNN-RBQAMSKX Powerflex Part/for /a 755 100HP 48

( Brand: Allen Bradley ), ( Manufacturer Part Number: 20G1AND125AA0NNNNN-RBQAMSKX ), ( Make: Allen )

Review ALLEN BRADLEY Part/for Parts /a Powerflex 755 125a 100hp 48

The **Allen-Bradley Powerflex 755 125A, 100 HP, 480V AC Drive (Model 20G1AND125AA0NNNNN-RBQAMSKX)** is a high-performance, variable frequency drive (VFD) designed to deliver precise control, reliability, and efficiency in industrial motor applications. Part of the Powerflex 755 series, this drive is engineered to meet the demanding requirements of modern manufacturing, process control, and automation systems, where consistent performance and energy savings are critical. With a continuous current rating of **125 amps** and a **100 horsepower** output capability at **480V AC**, it is well-suited for driving large motors in applications such as conveyors, pumps, compressors, fans, and other high-torque industrial machinery. The **20G1AND125AA0NNNNN** variant is equipped with a **regenerative braking circuit**, denoted by the suffix **-RBQAMSKX**, which allows for efficient energy recovery during deceleration, reducing strain on the electrical system and minimizing heat buildup. This feature is particularly advantageous in applications where frequent starts, stops, or dynamic braking are required, such as in material handling or recycling systems.

This Powerflex 755 drive incorporates **Rockwell Automation s advanced control algorithms**, including **scalable speed control, torque control, and position control**, ensuring smooth acceleration, deceleration, and precise speed regulation. The drive s **digital signal processing (DSP) technology** enables fast response times, minimal harmonic distortion, and superior motor protection, extending both the drive s and motor s lifespan. Its **modular design** allows for easy integration into existing control systems, with support for **EtherNet/IP, DeviceNet, and ControlNet** communication protocols, facilitating seamless connectivity with PLCs, HMIs, and other automation devices. The **125A current rating** provides ample headroom for motor loads, accommodating future expansion or variations in operational demands without compromising performance.

Built to withstand the rigors of industrial environments, the **20G1AND125AA0NNNNN-RBQAMSKX** features a **robust enclosure** with **IP20 protection**, ensuring durability against dust and debris while maintaining efficient heat dissipation. The drive s **wide input voltage range (380 575V AC)** enhances flexibility in power supply configurations, making it adaptable to different global electrical standards. Additionally, its **energy-saving capabilities**, such as **regenerative braking and advanced motor control**, help reduce operational costs by minimizing energy waste and optimizing motor efficiency. The **Powerflex 755 s built-in diagnostics** provide real-time monitoring of drive health, motor conditions, and system performance, enabling predictive maintenance and reducing downtime through early fault detection.

Whether deployed in **continuous operation, intermittent duty, or variable load applications**, this drive delivers **high torque at low speeds**, **smooth acceleration**, and **precise speed control**, making it an ideal solution for applications requiring dynamic performance. Its compatibility with **standard NEMA motors** and **IEC motors** further expands its versatility, allowing for easy integration into diverse industrial setups. With **Rockwell Automation s reputation for reliability and innovation**, the **20G1AND125AA0NNNNN-RBQAMSKX** represents a robust, high-performance investment for industries seeking to enhance productivity, reduce energy consumption, and improve process control.

### **Pros and Cons of buying a Allen-Bradley 20G1AND125AA0NNNNNRBQAMSKX (PowerFlex 755, 125A, 100HP, 48V)**

1. **High Performance and Efficiency**

The PowerFlex 755 is a premium variable frequency drive (VFD) designed for industrial applications, offering superior energy efficiency, reduced motor heating, and smoother operation compared to older or lower-end models. Its advanced control algorithms optimize motor performance, leading to lower energy consumption and extended equipment lifespan.

2. **Reliability and Durability**

Allen-Bradley (now part of Rockwell Automation) is a well-established brand known for robust industrial automation components. This VFD is built to withstand harsh environments, with features like reinforced enclosures, high-temperature operation capabilities, and long-term reliability. The 125A rating ensures it can handle high-power applications without frequent failures.

3. **Advanced Control Features**

- **Regenerative braking** (for energy recovery in deceleration).

- **Multiple communication protocols** (EtherNet/IP, DeviceNet, ControlNet, etc.), enabling seamless integration with PLCs and SCADA systems.

- **Built-in diagnostics** for predictive maintenance, reducing downtime.

- **Soft-start and soft-stop capabilities**, which protect mechanical systems from mechanical stress.

- **Adjustable voltage and frequency control**, allowing precise tuning for different load requirements.

4. **Compatibility with Modern Systems**

This VFD is designed to work seamlessly with Rockwell Automation s ecosystem, including PLCs like the **ControlLogix, CompactLogix, or Micro800**, as well as third-party systems with proper protocol converters. Its support for **EtherNet/IP** makes it ideal for integrated automation setups.

5. **Long-Term Availability and Support**

As a legacy but still widely supported model, this VFD is likely to remain available through authorized distributors and Rockwell s support channels for years. This reduces the risk of obsolescence compared to newer, less proven models.

6. **Cost-Effective for High-Power Applications**

While the upfront cost is higher than some basic VFDs, its efficiency gains, reduced maintenance needs, and extended motor life often justify the investment in large industrial applications (e.g., pumps, fans, conveyors, or compressors).

7. **Regenerative Capabilities**

The ability to handle regenerative energy (from decelerating loads) prevents damage to the drive and can be fed back into the system or dissipated safely, making it suitable for applications with frequent start-stop cycles.

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1. **High Initial Cost**

The PowerFlex 755 is a premium product, and the **20G1AND125AA0NNNNNRBQAMSKX** variant (48V, 100HP, 125A) is likely to be more expensive than basic or generic VFDs. For smaller budgets or low-power applications, this may not be the most economical choice.

2. **Complexity and Learning Curve**

The advanced features (e.g., regenerative braking, multiple communication protocols) require technical expertise to configure and troubleshoot. Training may be necessary for operators or maintenance personnel, adding to operational costs.

3. **Size and Installation Requirements**

A 125A VFD is a large, heavy unit that requires proper ventilation, wiring, and mounting space. Installation may require additional infrastructure (e.g., reinforced electrical panels, cooling systems), increasing setup complexity.

4. **Potential for Overkill in Some Applications**

If the application does not require all the advanced features (e.g., regenerative braking, high-speed communication), a simpler or lower-rated VFD might suffice, reducing unnecessary costs.

5. **Depreciation Over Time**

While reliable, newer VFDs (e.g., PowerFlex 755T or 525) may offer additional features like **higher efficiency, better digital communication, or touchscreen interfaces**. Investing in this older model means missing out on future advancements.

6. **Spare Parts and Repairs**

While Rockwell supports this model, finding replacement parts or technicians familiar with it may be more challenging than with newer, more widely used models. Long-term maintenance costs could be higher if specialized support is required.

7. **Compatibility with Older Systems**

If integrating with legacy systems, some features may not be fully compatible, requiring additional adapters or workarounds. This can complicate integration and increase implementation time.

---

### **Conclusion**

The **Allen-Bradley 20G1AND125AA0NNNNNRBQAMSKX (PowerFlex 755, 125A, 100HP, 48V)** is a **high-performance, reliable, and feature-rich VFD** ideal for **industrial applications requiring precise control, energy efficiency, and long-term durability**. It excels in environments where **regenerative braking, advanced diagnostics, and seamless PLC integration** are critical. However, its **high cost, complexity, and potential overkill for simpler applications** make it less suitable for budget-conscious or low-demand setups.

For **large-scale industrial use (e.g., heavy machinery, continuous process control, or high-efficiency motor drives)**, this VFD is a **strong recommendation** due to its proven track record and advanced capabilities. For **smaller applications, lower power needs, or cost-sensitive projects**, a **simpler or newer VFD model** (e.g., PowerFlex 525 or a basic generic drive) may be more appropriate.

- You need **high reliability, regenerative braking, and advanced control** for a **high-power (100HP ) industrial application**.

- Your system **requires Rockwell Automation integration** (EtherNet/IP, ControlLogix, etc.).

- You prioritize **long-term availability and support** over the latest features.

- The **energy savings and reduced maintenance costs** justify the higher upfront investment.

- Your budget is **limited**, and a **lower-cost VFD** (e.g., 125A generic drive) meets your needs.

- The application **does not require regenerative braking or advanced diagnostics**.

- You plan to **upgrade to newer technology** in the near future and want a more future-proof solution.

For most **large industrial applications**, this VFD remains a **solid, well-supported choice** that delivers superior performance over its lifespan. However, always **compare total cost of ownership (TCO)** including energy savings, maintenance, and operational efficiency before making a final decision.

Details:

Tested and Guaranteed to be working. Part Number: 20G1AND125. Condition: Part.: PowerFlex 755 125A 100HP 480V 3 PH.

Manufacturer: Allen Bradley.

part #: 20g1and125aa0nnnnn prices

• $5500.00-$7999.00

specifications variablfrequen:

• brand: Allen Bradley
• mpn: 20g1and125aa0nnnnn-rbqamskx
• make: Allen

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• city: San Diego, California
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general variablfrequen:

• Drives Starters > Drives Motor Controls > Variable Frequency Drives
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• started: June 4, 2026

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