
20FR7721 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $2410.00 | Condition is Used, RELIANCE ELECTRIC 20FR7721 FLEXPAK 3000 3-PHASE DRIVE #345272, shipping cost = $31.98 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $7000.00 | Condition is Seller refurbished, Reliance/ESI 20FR7721 20HP 3Ph FlexPak3000 Micro9300 Digital Drive, FREE SHIPPING | 99.6% |

The Reliance Electric Flexpak 3000 3-phase Drive, model number 20FR7721, is a versatile and powerful motor control solution designed for a wide range of industrial applications. This drive is part of Reliance Electric's Flexpak family, which is known for its flexibility, reliability, and ease of use.
The 20FR7721 is a 3-phase, 6 pole, squirrel cage induction motor drive. It is rated for a continuous output power of 30 HP (22.4 kW) at 460 Volts, 3-phase, 60 Hz. This drive is also capable of delivering a peak output power of 40 HP (29.8 kW). The drive's input current is rated at 58 A at full load, and it has a maximum input voltage of 525 Volts, 3-phase.
The Flexpak 3000 comes with a number of advanced features to enhance its performance and functionality. It has a built-in vector control system, which allows for precise speed and torque control, making it ideal for applications that require high acceleration and deceleration rates. The drive also features a regenerative braking function, which can help recover energy during deceleration and reduce energy costs.
The 20FR7721 is designed for easy installation and integration into industrial systems. It has a compact design, with a height of only 8 inches, and it can be mounted either vertically or horizontally. The drive comes with a number of standard interfaces, including analog and digital I/O, RS-485, and Ethernet, which make it easy to connect to control systems and monitoring tools.
The Flexpak 3000 is also known for its reliability and durability. It is built with high-quality components and features advanced thermal management systems to ensure that it can operate continuously in demanding environments. The drive also has a number of diagnostic features, including alarms and fault codes, which can help identify and resolve issues quickly.
In summary, the Reliance Electric Flexpak 3000 3-phase Drive, model number 20FR7721, is a powerful and versatile motor control solution that is ideal for a wide range of industrial applications. Its advanced features, such as vector control, regenerative braking, and easy connectivity, make it a popular choice for applications that require precise speed and torque control, high energy efficiency, and easy integration into control systems. Its compact design, reliable performance, and advanced diagnostic capabilities make it a smart investment for any industrial operation.
The Reliance Electric 20FR7721 Flexpak 3000 is a 3-phase drive produced by Reliance Electric, a leading manufacturer of electrical motors and drives. This drive is designed for various industrial applications and comes with several features that make it an attractive option for many. In this response, we will discuss the pros and cons of buying a Reliance Electric 20FR7721 Flexpak 3000 3-phase drive.
Pros:1. Versatility: The Flexpak 3000 is a flexible drive system that can be used for various applications, including pumping, fan, compressor, and conveyor systems. It is suitable for both AC and DC motor applications, making it a versatile option for industries.
2. Energy Efficiency: The drive is designed to optimize energy efficiency and reduce energy consumption. It comes with features like vector control, which adjusts the motor speed in real-time based on the load conditions, resulting in energy savings.
3. Easy Installation: The Flexpak 3000 comes with a modular design, which makes it easy to install and commission. It also comes with a built-in input filter, which reduces the need for external filters, simplifying the installation process.
4. Reliability: Reliance Electric is a reputed manufacturer of electrical motors and drives, known for its reliability and durability. The Flexpak 3000 is built to the same high standards and comes with a robust design that can withstand harsh industrial environments.
5. Advanced Features: The drive comes with advanced features like overload protection, thermal overload protection, and motor diagnostics, which help ensure the longevity of the drive and the motor.
Cons:1. Cost: The Flexpak 3000 is a high-performance drive, and the cost reflects its capabilities. It may be more expensive than some other drives in the market, making it a less attractive option for small businesses or budget-conscious buyers.
2. Complexity: The Flexpak 3000 is a feature-rich drive, which can make it complex to operate and maintain. It may require specialized knowledge and training to use effectively, which can add to the cost of ownership.
3. Size: The drive is relatively large and heavy, which can make it more challenging to transport and install compared to smaller drives.
Conclusion:The Reliance Electric 20FR7721 Flexpak 3000 is a high-performance, versatile, and energy-efficient drive that comes with several advanced features. Its modular design, easy installation, and robust construction make it a reliable option for industrial applications. However, its high cost, complexity, and size may be a drawback for some buyers. Ultimately, the decision to buy the Flexpak 3000 depends on the specific requirements of the application and the budget of the buyer. If energy efficiency, versatility, and reliability are top priorities, the Flexpak 3000 is an excellent choice. However, if cost and complexity are significant concerns, other options may be more suitable.
Recommendation:If you are looking for a high-performance, versatile, and energy-efficient drive for industrial applications, the Reliance Electric 20FR7721 Flexpak 3000 is an excellent option. Its advanced features, easy installation, and robust construction make it a reliable choice for various applications. However, if cost and complexity are significant concerns, you may want to consider other options in the market that offer similar capabilities but at a lower cost. It is always recommended to consult with an electrical engineer or a technical expert to determine the best option for your specific application.
Details:
Reliance Electric 20FR7721. Horse-power: 20. Manufacturer part number: 20FR7721. Flexpak 3000 3-phase drive.
specifications indumotorol:
- brand: Reliance Electric
- mpn: 20fr7721
- part type: Drive
payments indumotorol:
- wallet: paypal
- other
- credit card: diners-club
seller indumotorol:
- city: clinton township, michigan
- # reviews: 19502
- rating: 99.8%
general indumotorol:
- category: Business & Industrial > Starters > Drives > Motor Controls
offer indumotorol:
- options: ship-to-home
- availability: in stock
- prices: $2410.00–$7000.00
- item condition:
- Used
- Seller refurbished
- sold #: 14
- best offers: true
- in stock #: 2
- started: october 28, 2025
returns indumotorol:
- policy: no returns
shipping indumotorol:
- class: standard, expedited, one-day
- carrier: fedex, ups, usps
- transit: 2-4 days
- service: fedex ground / fedex home delivery, ups ground, usps priority mail, fedex standard overnight
- type: calculated
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