1. Variable Frequency Drives Amplifiers For Sale
  2. sku: 15473830019614891
  3. ALLEN BRADLEY 1395-B73-C2-P10-P51

ALLEN-BRADLEY 1395-B73-C2-P10-P51 Digital Drive Regen /b 50HP 460VAC

1395-b73-c2-p10-p51 Allen-bradley /b Digital Dc Drive 50hp 460vac Regen Refurb

( Brand: Allen-bradley ), ( Manufacturer Part Number: 1395-B73-C2-P10-P51 ), ( Part Type: Digital Drive ), ( Input Voltage: 460 V ), ( Country Of Origin: United States ), ( Rated Load: 50 Hp ), ( Number Of Phases: 3-phase )

Review ALLEN BRADLEY /b Digital Dc Drive 50hp 460vac Regen Refurb

The **Allen-Bradley PowerFlex 525 1395-B73-C2-P10-P51/B Digital Drive** is a high-performance, variable frequency drive (VFD) engineered to deliver precise control, reliability, and efficiency for demanding industrial applications requiring a **50 horsepower (HP) motor** rated at **460V AC**. Part of Rockwell Automation s PowerFlex 525 series, this drive is designed to optimize motor performance while minimizing energy consumption, making it an ideal solution for industries such as manufacturing, HVAC, pumping systems, conveyors, and other processes where regenerative braking and smooth torque control are critical.

Built with a robust **C2 control module**, this drive features a **10-digit keypad (P10)** and a **5-inch color touchscreen (P51)**, providing intuitive operator interaction with customizable menus, trend graphs, and real-time diagnostics. The **regenerative braking capability (indicated by the /B suffix)** allows the drive to efficiently dissipate excess energy generated during deceleration, converting it back into usable power or safely dumping it through a resistor bank, reducing wear on mechanical brakes and improving system efficiency. This feature is particularly advantageous in applications involving frequent starts, stops, or dynamic load variations, such as elevators, cranes, or reciprocating compressors.

The **1395-B73** model incorporates advanced **PWM (Pulse Width Modulation) technology**, ensuring minimal harmonic distortion and superior motor protection through features like **regenerative energy management, overload protection, and fault diagnostics**. Its **460V AC input rating** makes it compatible with standard industrial power systems, while its **IP20 protection rating** ensures reliable operation in controlled environments. The drive also supports **EtherNet/IP communication**, enabling seamless integration with Rockwell Automation s ControlLogix, CompactLogix, and Studio 5000 platforms for centralized monitoring and control.

With a **50HP motor rating**, this drive is well-suited for applications requiring substantial torque control, such as **positive displacement pumps, fans, extruders, or material handling systems**. Its **high-efficiency design** reduces energy waste, lowers operational costs, and extends equipment lifespan by mitigating thermal stress. Additionally, the **PowerFlex 525 series** is engineered for **long-term reliability**, featuring a **fan-cooled or forced-air-cooled configuration** (depending on the specific installation) to maintain optimal operating temperatures even under continuous heavy loads.

For maintenance and troubleshooting, the **5-inch color touchscreen** provides clear, user-friendly interfaces for parameter adjustments, trend logging, and fault codes, while the **keypad interface** allows for quick on-site modifications. The drive s **comprehensive diagnostics** help pinpoint issues early, reducing downtime and ensuring smooth operation. Whether deployed in a **new installation or as a replacement for legacy VFDs**, the **Allen-Bradley 1395-B73-C2-P10-P51/B** delivers a balance of **performance, energy savings, and operational flexibility**, making it a versatile choice for industrial automation needs.

### **Pros and Cons of buying a Allen-Bradley PowerFlex 525 50HP 460VAC Regenerative Drive (Model: 1395-B73-C2-P10-P51/B)**

#### **Pros**

1. **High Efficiency and Energy Savings**

- The PowerFlex 525 series is designed with advanced vector control and regenerative capabilities, reducing energy consumption by optimizing motor speed and torque. Regenerative braking (P51 option) recycles energy back into the grid, improving overall system efficiency.

2. **Reliability and Durability**

- Allen-Bradley (Rockwell Automation) is a well-established brand with a strong reputation for industrial-grade components. The PowerFlex 525 is built for harsh environments, with robust cooling, IP54/IP66 enclosure options, and long-term availability of spare parts.

3. **Advanced Control Features**

- Supports **vector control, field-oriented control (FOC), and regenerative braking**, making it suitable for applications requiring precise speed and torque control (e.g., conveyors, pumps, fans, and machine tools).

- Includes **built-in diagnostics and communication protocols** (EtherNet/IP, DeviceNet, Profibus, Modbus) for easy integration into PLC-based systems and remote monitoring.

4. **Regenerative Braking (P51 Option)**

- The regenerative braking feature (P51) allows the drive to return excess energy to the power grid during deceleration, reducing heat dissipation and improving system efficiency particularly beneficial in applications with frequent starts/stops (e.g., cranes, hoists, or variable-speed pump systems).

5. **Scalability and Flexibility**

- The drive supports **multiple communication protocols**, making it compatible with modern automation systems. It also offers **expandable options** (e.g., additional I/O, remote I/O modules) for complex applications.

6. **Warranty and Support**

- Allen-Bradley offers **standard 1-year warranty** (extendable with service contracts) and extensive global support, including technical documentation, training, and authorized service providers.

7. **Compatibility with Common Motors**

- Works seamlessly with **standard NEMA or IEC motors**, reducing compatibility issues and simplifying maintenance.

8. **Future-Proofing**

- The PowerFlex 525 is part of Rockwell s **FactoryTalk** ecosystem, ensuring compatibility with newer automation platforms and software updates.

---

#### **Cons**

1. **High Upfront Cost**

- Compared to basic VFD models (e.g., non-regenerative drives or lower-end brands), the PowerFlex 525 is **more expensive**, especially with optional features like regenerative braking (P51) and communication modules.

2. **Complex Installation and Configuration**

- Requires **technical expertise** for proper setup, wiring, and programming. Misconfiguration can lead to inefficiencies, motor damage, or system failures.

- Some users may need **additional I/O modules or external components** (e.g., DC bus capacitors for regenerative drives), adding to installation complexity.

3. **Regenerative Braking Limitations**

- While regenerative braking (P51) is beneficial, it **requires a compatible power supply** (e.g., a grid that can absorb the returned energy). In some cases, an **external dynamic brake resistor** may still be needed if the grid cannot handle the regenerated power.

- Not all applications (e.g., very low-power systems) may justify the cost of regenerative braking.

4. **Space and Cooling Requirements**

- The drive is **larger and heavier** than basic VFDs, requiring adequate **ventilation and installation space**. Overheating can occur if not properly ventilated, especially in enclosed environments.

5. **Dependency on Rockwell Ecosystem**

- While the PowerFlex 525 integrates well with **Rockwell Automation products**, compatibility with **third-party PLCs or non-Rockwell systems** may require additional gateways or adapters, adding cost and complexity.

6. **Spare Parts and Long-Term Availability**

- While Rockwell has a strong parts inventory, **older models may eventually be discontinued**, requiring proactive stocking of critical components.

7. **Learning Curve for Maintenance**

- Troubleshooting and maintenance require **specialized knowledge** of Allen-Bradley drives. Non-technical operators may struggle with diagnostics or repairs.

8. **Potential Overkill for Simple Applications**

- If the application **does not require regenerative braking or advanced control** (e.g., a basic fan or pump with constant speed), a **simpler, cheaper VFD** (e.g., a 50HP non-regenerative drive) may suffice.

---

### **Conclusion**

The **Allen-Bradley PowerFlex 525 50HP 460VAC regenerative drive (1395-B73-C2-P10-P51/B)** is a **high-performance, efficient, and reliable** solution for applications requiring **precise speed control, regenerative braking, and long-term durability**. It excels in **energy-sensitive, variable-speed, and frequent-start-stop operations**, such as:

- **Conveyor systems**

- **Pumps and compressors**

- **Machine tools and CNC applications**

- **Cranes and hoists**

- **Industrial fans and blowers**

However, its **high cost, complex installation, and specialized requirements** make it **less ideal for simple, low-maintenance applications** where a basic VFD would suffice.

---

### **Recommendation**

**Buy this drive if:**

You need **regenerative braking** (P51) for energy recovery.

Your application requires **precise torque and speed control** (e.g., machine tools, conveyors).

You are **already using Rockwell Automation** (PLCs, HMI, FactoryTalk) and want seamless integration.

You operate in a **harsh environment** where reliability and long-term support are critical.

Energy efficiency and **reduced operational costs** are a priority.

**Avoid this drive if:**

Your budget is **strictly limited**, and a **non-regenerative VFD** (e.g., a 50HP basic drive) would work.

Your application **does not benefit from regenerative braking** (e.g., constant-speed loads).

You lack **technical expertise** for installation, programming, and troubleshooting.

The **power grid cannot handle regenerated energy**, requiring additional braking resistors.

You prefer **simpler, lower-cost alternatives** (e.g., Schneider Electric, Siemens, or basic Chinese-brand VFDs).

**Alternative Considerations:**

- If **cost is a major concern**, evaluate **non-regenerative PowerFlex 525 models** or **competitor drives** (e.g., Siemens Sinamics, Schneider Altivar).

- If **space is limited**, check if a **lower-hp regenerative drive** (e.g., 30HP) with similar features would meet your needs.

- If **maintenance is a concern**, ensure your team has access to **Rockwell-certified technicians** or consider extended warranties.

**Final Verdict:**

For **high-performance, energy-efficient, and long-term reliable variable-speed applications**, the **Allen-Bradley PowerFlex 525 with regenerative braking is a strong choice**. However, **careful cost-benefit analysis** is essential to ensure it aligns with your specific operational needs.

Details:

Product Line DC Output - Field. Serial Number: MEAB60T9. This microprocessor-controlled variable speed drive provides precise velocity, torque, and motion control for industrial shunt or compound wound DC motors. Catalog / Part Number: 1395-B73-C2-P10-P51.

Product Line: Bulletin 1395 DC Controller Series. Origin: Made in USA. DC Output - Armature. Added Multi-Communication Adapter Board for automation network interfacing.

Short Circuit Rating: 100,000 Max RMS CT. Current Amps. This item is offered as surplus equipment.

part #: 1395b73c2p10p51 price

  • $9250.00

specifications variablfrequen:

  • brand: Allen-bradley
  • mpn: 1395-b73-c2-p10-p51
  • part type: Digital Drive
  • input voltage: 460 V
  • country of origin: United States
  • rated load: 50 Hp
  • number of phases: 3-phase

offer variablfrequen:

  • started: June 10, 2026
  • best offers: True
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1

seller variablfrequen:

  • # reviews: 23869
  • city: Utica, Michigan
  • rating: 100.0%

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

returns variablfrequen:

  • paid by: Buyer
  • time: 60 Days
  • policy: Returns Accepted
  • method: Money back

shipping variablfrequen:

  • carrier: UPS
  • class: Standard, One-day, Expedited
  • type: Calculated
  • cost: $155.47
  • transit: 2-5 Days
  • service: UPS Ground, UPS Next Day Air, UPS 2nd Day Air

general variablfrequen:

  • Drives Starters > Drives Motor Controls > Variable Frequency Drives
  • condition: Seller refurbished
part type: digital drive, input voltage: 460 v, country of origin: united states, rated load: 50 hp, number of phases: 3-phase,
category: business & industrial > drives starters > drives motor controls > variable frequency drives, sku: 15473830019614891,
Allen-bradley 1395-B73-C2-P10-P51 Is Similar To:
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1 offer $9250.00 USD
  • Seller refurbished. Offer #1 priced at $9250.00 + $155.47 shipping estimate = $9405.47* total. DC Output - Armature. P51 Option Card P10 Option Card C2 Core Matrix CONDITION:Refurb- Refurbished.+$155.47 shipping

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