ALLEN BRADLEY MPF-B330P-MJ72BA Ac Servo Motor Gearhead K403WG0900MT20B T267

( Brand: Allen Bradley ), ( Manufacturer Part Number: MPF-B330P-MJ72BA ), ( Part Type: Ac Servo Motor )

Review ALLEN BRADLEY Ac Servo Motor Gearhead

The **Allen-Bradley MPF-B330P-MJ72BA K403WG0900MT20B AC Servo Motor with Integrated Gearhead (T267)** is a high-performance, precision-engineered electric actuator designed for demanding industrial automation applications where torque, reliability, and compact integration are critical. This servo motor combines the cutting-edge efficiency of Allen-Bradley s **Kinetix 5700** servo drive platform with a robust **T267** gearhead, delivering a seamless, high-torque solution for motion control systems. The **MPF-B330P** model features a **330 mm (13-inch) face mount** with a **72 mm (2.8-inch) shaft diameter**, providing ample structural integrity for heavy-duty applications while maintaining a compact footprint ideal for space-constrained environments. The **MJ72BA** designation indicates a **brake-equipped** variant, ensuring rapid deceleration and precise positioning essential for safety-critical operations such as material handling, packaging, or robotic assembly. The **K403WG0900MT20B** designation further specifies the motor s **900-watt (1.2 hp) continuous power rating**, optimized for high-speed, high-acceleration tasks while operating within a **200-240V AC** voltage range, making it compatible with standard industrial power supplies. The integrated **T267 gearhead** offers a **gear ratio of 10:1**, balancing torque amplification with smooth motion transmission, reducing backlash and enhancing positional accuracy critical for applications requiring fine control, such as CNC machining, conveyor systems, or automated guided vehicles (AGVs). Constructed from high-grade materials, including **stainless steel and reinforced housing**, this motor is built to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations, as indicated by its **IP65** protection rating. The **closed-loop feedback system** ensures real-time position, velocity, and torque monitoring, enabling precise closed-loop control when paired with Allen-Bradley s **Kinetix 5700** servo drives or third-party motion controllers. Whether deployed in **automotive manufacturing, food processing, or advanced robotics**, this servo motor delivers unmatched reliability, efficiency, and adaptability, making it a cornerstone for next-generation automation systems.

### **Pros and Cons of buying a Allen-Bradley MPF-B330P-MJ72BA (K403WG0900MT20B) AC Servo Motor with Gearhead (T267)**

#### **Pros**

1. **High Performance and Precision** This is a high-end servo motor designed for industrial automation, offering excellent torque, speed control, and positional accuracy. It is suitable for applications requiring precise motion control, such as CNC machining, robotics, and packaging systems.

2. **Integrated Gearhead (T267)** The inclusion of a gearhead (T267) provides higher torque output at lower speeds, making it ideal for applications where high torque is required without increasing motor size. This reduces the need for additional mechanical gearing, simplifying system design.

3. **Compatibility with Allen-Bradley Control Systems** As part of the Allen-Bradley family, this motor is designed to work seamlessly with their servo drives (e.g., PowerFlex 755, Kinetix 5700, or Kinetix 5800) and PLCs. This ensures smooth integration into existing or new control architectures.

4. **Reliability and Durability** Allen-Bradley motors are known for their robust construction, high-quality components, and long operational lifespan. They are built to withstand harsh industrial environments, including temperature variations, vibration, and dust.

5. **Energy Efficiency** Modern servo motors like this one incorporate advanced design features (e.g., high-efficiency windings, optimized cooling) to reduce energy consumption while maintaining performance. This can lead to cost savings over time.

6. **Wide Speed Range** The motor supports a broad range of speeds, from very low (with the gearhead) to high, making it versatile for different applications, including indexing, continuous motion, and high-speed operations.

7. **Maintenance-Free Operation** Servo motors typically require minimal maintenance compared to traditional AC or DC motors, reducing downtime and operational costs.

8. **Support for Advanced Motion Control** The motor can be programmed for complex motion profiles, such as S-curves, velocity profiles, and synchronized multi-axis motion, which are critical in modern automation.

9. **Global Availability of Spare Parts** Allen-Bradley is a well-established brand with a vast distribution network, ensuring easy access to replacement parts, service, and technical support.

10. **Future-Proofing** The motor is likely to remain compatible with upcoming Allen-Bradley control systems and software updates, reducing the risk of obsolescence.

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#### **Cons**

1. **High Initial Cost** Allen-Bradley servo motors, especially those with integrated gearheads and high performance, are significantly more expensive than standard AC or even basic servo motors. This can be a barrier for small businesses or startups with limited budgets.

2. **Complex Installation and Configuration** Servo motors require precise setup, including tuning of the servo drive, encoder calibration, and integration with the control system. This may necessitate specialized knowledge or the hiring of skilled technicians, increasing implementation costs.

3. **Dependence on Allen-Bradley Ecosystem** While the motor is highly compatible with Allen-Bradley drives and PLCs, using non-Allen-Bradley components (e.g., third-party drives) may require additional configuration or compatibility checks, potentially adding complexity.

4. **Size and Weight** The motor, especially with the gearhead, is larger and heavier than a standard servo motor without gearing. This may impact installation space, mechanical design, and logistics (e.g., shipping, handling).

5. **Potential for Overkill in Some Applications** If the application does not require the full torque, speed, or precision capabilities of this motor, investing in it may be unnecessary. A lower-cost motor or a simpler gearing solution might suffice, reducing costs without sacrificing performance.

6. **Learning Curve for Operators** Servo systems require trained personnel to operate and maintain them effectively. Training costs may be incurred to ensure proper use and troubleshooting.

7. **Limited Customization** Unlike some other brands, Allen-Bradley offers limited customization options for servo motors. The model you purchase is likely to be a standard configuration, which may not perfectly match every niche application.

8. **Potential for Higher Maintenance Costs Over Time** While servo motors are generally low-maintenance, specialized components (e.g., encoders, bearings) may require periodic inspection or replacement, which could add to long-term costs if not properly managed.

9. **Compatibility Issues with Non-Allen-Bradley Systems** If the motor is used in a system with non-Allen-Bradley components (e.g., third-party HMI, drives, or PLCs), integration challenges may arise, requiring additional development or middleware.

10. **Environmental Considerations** While robust, the motor may not be suitable for extremely harsh environments (e.g., high humidity, corrosive atmospheres, or extreme temperatures) without additional protection (e.g., IP65/66 enclosures), which can further increase costs.

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### **Conclusion**

The **Allen-Bradley MPF-B330P-MJ72BA (K403WG0900MT20B) AC Servo Motor with Gearhead (T267)** is a high-performance, reliable, and precise motion control solution ideal for industrial applications requiring torque, speed control, and integration with Allen-Bradley systems. Its strengths lie in its compatibility, efficiency, and durability, making it a strong choice for automation projects where performance is critical.

However, the **high upfront cost, complexity of installation, and potential overkill for simpler applications** are significant drawbacks. It is best suited for businesses or projects where budget constraints are not a primary concern, and where the motor s capabilities align closely with the application s requirements.

For **small-scale or cost-sensitive applications**, evaluating alternatives such as lower-cost servo motors, stepper motors, or simpler gearing solutions may be more practical. Conversely, for **large-scale industrial automation, robotics, or high-precision machining**, this motor is an excellent investment in long-term reliability and performance.

### **Recommendation**

- You are working on an **industrial automation project** that requires high torque, precision, and seamless integration with Allen-Bradley drives/PLCs.

- Your application demands **complex motion profiles** (e.g., CNC, robotic arms, packaging systems).

- You have the **budget and technical expertise** to handle installation, tuning, and maintenance.

- Long-term reliability and **minimal downtime** are priorities.

- Your budget is **limited**, and a lower-cost servo motor or stepper motor with external gearing would suffice.

- The application does **not require the full torque or speed range** of this motor.

- You are **not using Allen-Bradley control systems**, and compatibility may be an issue.

- The project is **small-scale or prototyping**, where a more flexible or modular solution (e.g., off-the-shelf servo kits) would be preferable.

In summary, this motor is a **premium choice for demanding industrial applications** but may not be the most economical or practical option for simpler or budget-constrained projects. Always conduct a thorough cost-benefit analysis based on your specific requirements.

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part #: mpfb330pmj72ba prices

• $1062.50-$3075.00

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• brand: Allen Bradley
• mpn: Mpf-b330p-mj72ba
• part type: Ac Servo Motor

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• started: May 18, 2026
• options: Ship-to-home
• availability: In Stock
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• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

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