ALLEN BRADLEY 20DD300A3EYNBNDNL Powerflex /a 700S 3PH 480V 250HP
( Brand: Allen Bradley ), ( Manufacturer Part Number: 20DD300A3EYNBNDNL ), ( Part Type: 480v )
Review ALLEN BRADLEY /a Powerflex 3ph 480v 250hp 300a
The **Allen-Bradley Powerflex 700S 20DD300A3EYNBNDNL** is a high-performance, three-phase, variable frequency drive (VFD) engineered for demanding industrial applications requiring precise motor control, energy efficiency, and reliability. Part of Rockwell Automation s Powerflex 700S series, this model is specifically designed to deliver 250 horsepower (HP) of continuous output at a nominal voltage of 480 volts AC, with a rated current of 300 amps, making it ideal for heavy-duty machinery such as pumps, compressors, conveyors, fans, and other high-torque industrial systems. The drive employs advanced digital signal processing (DSP) technology to ensure smooth acceleration, deceleration, and speed regulation, minimizing mechanical stress on connected equipment while extending equipment lifespan. Its robust construction, featuring a NEMA 12 enclosure, provides protection against dust, dirt, and moisture, ensuring reliable operation in harsh factory environments. The Powerflex 700S series is renowned for its compact yet powerful design, allowing for easy integration into existing control systems while maximizing floor space efficiency. This particular unit incorporates a **Y** (standard) voltage rating and a **B** (brake) designation, indicating compatibility with braking applications, which is particularly useful in scenarios requiring rapid stoppage or energy recovery. The drive s **N** (non-brake) variant ensures seamless integration with standard motor control systems, while the **D** designation signifies a digital input/output configuration, enabling flexible communication with PLCs, HMIs, and other automation devices via standard protocols like **ControlNet, DeviceNet, or Ethernet/IP**. With a **300A** current rating, the drive is engineered to handle high-power applications with minimal heat dissipation, thanks to its efficient cooling system and high-quality components. Additionally, the Powerflex 700S series supports advanced features such as **regenerative braking, torque control, and multi-motor control**, making it versatile for applications requiring dynamic speed adjustments and precise process control. Whether deployed in manufacturing, oil and gas, water treatment, or material handling, this VFD ensures optimal motor performance, energy savings, and operational flexibility, all while adhering to stringent industrial standards for safety and reliability.
### **Pros and Cons of buying a Allen-Bradley 20DD300A3EYNBNDNL (Powerflex 700S, 3-Phase, 480V, 250HP, 300A)**
#### **Pros**
1. **Reliability and Brand Reputation**
- Allen-Bradley (now part of Rockwell Automation) is a well-established brand with decades of experience in industrial automation. The Powerflex 700S series is known for durability and consistent performance in harsh environments.
2. **High Performance and Efficiency**
- The 250HP rating at 480V with 300A current indicates strong power delivery, making it suitable for heavy-duty applications such as pumps, compressors, conveyors, and large machinery.
- The Powerflex 700S is designed for variable frequency drive (VFD) applications, offering precise speed control, energy savings, and reduced mechanical stress on driven equipment compared to traditional constant-speed motors.
3. **Compatibility and Integration**
- The drive is part of Rockwell Automation s ecosystem, meaning it integrates seamlessly with PLCs (e.g., ControlLogix, CompactLogix), HMIs, and other Rockwell devices. This simplifies programming, monitoring, and troubleshooting.
- Supports standard communication protocols like Ethernet/IP, DeviceNet, and Modbus, making it versatile for modern industrial control systems.
4. **Advanced Features for Process Control**
- Includes features such as regenerative braking, soft start/stop, and fault diagnostics, which improve system reliability and reduce downtime.
- Supports remote monitoring and predictive maintenance capabilities, allowing for proactive maintenance scheduling.
5. **Warranty and Support**
- Allen-Bradley products typically come with a standard warranty (often 1 2 years), and Rockwell Automation has extensive global support networks, including authorized distributors and service centers.
- Spare parts and replacements are widely available, reducing the risk of prolonged downtime.
6. **Energy Savings**
- VFDs like the Powerflex 700S can significantly reduce energy consumption by adjusting motor speed to match load requirements, leading to cost savings over time.
7. **Scalability**
- The Powerflex 700S series is part of a scalable platform, meaning it can be easily upgraded or paired with other drives or controllers as process requirements evolve.
---
#### **Cons**
1. **High Upfront Cost**
- Allen-Bradley drives, especially high-horsepower models like this one, are premium-priced. The initial investment may be significantly higher than alternatives from lesser-known brands or generic VFDs.
- Additional costs may include programming, installation, and commissioning, which can further increase the total cost of ownership.
2. **Complexity in Installation and Programming**
- The Powerflex 700S requires specialized knowledge for setup, configuration, and troubleshooting. Non-expert operators may struggle with programming or diagnosing issues, potentially leading to downtime.
- Integration with legacy systems or non-Rockwell devices may require additional effort or third-party interfaces.
3. **Maintenance Requirements**
- While robust, VFDs like this one require regular maintenance, including cooling system checks, filter replacements, and firmware updates. Neglecting maintenance can lead to premature failure.
- Some components (e.g., capacitors, IGBTs) may need periodic replacement, adding to long-term costs.
4. **Potential for Overkill**
- If the application does not require all the advanced features of the Powerflex 700S (e.g., regenerative braking, complex control algorithms), a simpler or lower-cost VFD might suffice. This could lead to unnecessary expenditure.
5. **Dependency on Rockwell Ecosystem**
- While the integration benefits are significant, reliance on Rockwell s software (e.g., Studio 5000) or hardware can create vendor lock-in. Switching to a different automation platform later may require additional costs or compatibility work.
6. **Size and Space Requirements**
- High-power drives like this one occupy physical space and may require dedicated ventilation or cooling solutions. Installation constraints in existing facilities could pose challenges.
7. **Potential for Obsolescence**
- Rockwell Automation occasionally updates or discontinues product lines. While the Powerflex 700S is still supported, future firmware updates or replacements may become more difficult or expensive over time.
---
### **Conclusion**
The **Allen-Bradley 20DD300A3EYNBNDNL (Powerflex 700S, 3-Phase, 480V, 250HP, 300A)** is a high-quality, reliable, and feature-rich VFD well-suited for demanding industrial applications requiring precise speed control, energy efficiency, and seamless integration with Rockwell Automation systems. Its strengths lie in its performance, compatibility, and support ecosystem, making it ideal for large-scale or mission-critical operations where uptime and efficiency are paramount.
However, the **high initial cost, complexity of use, and maintenance requirements** may make it less ideal for smaller operations, budget-conscious buyers, or applications where simpler VFDs would suffice. Additionally, the need for specialized expertise during installation and troubleshooting could add operational overhead.
### **Recommendation**
- **Buy this drive if:**- You are part of a Rockwell Automation ecosystem and need seamless integration with PLCs, HMIs, or other Rockwell devices.
- Your application demands high performance, energy savings, and advanced control features (e.g., regenerative braking, soft start).
- You have the budget and technical resources to handle installation, programming, and maintenance.
- The drive will be used in a critical application where reliability and uptime are non-negotiable.
- **Consider alternatives if:**- Your budget is constrained, and you can find a similarly rated VFD from a lower-cost brand (e.g., Siemens, Schneider Electric, or generic VFDs) that meets your requirements.
- Your application does not require all the advanced features of the Powerflex 700S, and a simpler VFD would suffice.
- You lack in-house expertise for Rockwell Automation systems, as training or hiring specialists may be necessary.
- You anticipate frequent upgrades or changes in automation platforms, and vendor lock-in could become an issue.
For most **large industrial applications** where reliability, efficiency, and integration are critical, the **Allen-Bradley Powerflex 700S is a strong recommendation**. However, for smaller or less complex setups, a cost-effective alternative may be more practical. Always conduct a thorough cost-benefit analysis and consult with a control systems specialist to ensure the drive aligns with your specific needs.
Details:
Brand: Allen Bradley Platform: PowerFlex 700S Part Number: 20DD300A3EYNBNDNL /A: 3Ph 480V 250HP 300A, Comments: Good Condition, Call For Shipping Details. Some hardware products may contain software and/or firmware and not be legally operated without first obtaining a proper license from the manufacturer. KR Automation will not obtain or supply software firmware on your behalf.
part #: 20dd300a3eynbndnl prices
- $3335.14-$34999.99
specifications variablfrequen:
- brand: Allen Bradley
- mpn: 20dd300a3eynbndnl
- part type: 480v
offer variablfrequen:
- started: June 10, 2026
- sold: 0
- quantity: 1
- availability: In Stock
- options: Ship-to-home
seller variablfrequen:
- rating: 100.0%
- city: Ponca City, Oklahoma
- # reviews: 9539
general variablfrequen:
- condition: Used
- Drives Starters > Drives Motor Controls > Variable Frequency Drives
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- wallet: Apple-pay
- credit card: Mastercard
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returns variablfrequen:
- method: Money back
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
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