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  3. DEMAG 71706279

DEMAG 71706279 Kba Ac Electric Motor Frame 2.5HP 230/460V 3PH 1700RPM

71706279 Demag Kba 2.5hp Ac Electric Motor 230/460v 3ph 1700rpm 90 B 4 Frame

( Brand: Demag ), ( Manufacturer Part Number: 71706279 ), ( Part Type: Ac 5hp Motor Frame ), ( Country Of Manufacture: Germany )

Review DEMAG Kba 2.5hp Ac Electric Motor 230/460v 3ph 1700rpm Frame

The **Demag 71706279 KBA 2.5 Horsepower AC Electric Motor**, part of the robust and high-performance **90-frame series**, is a precision-engineered industrial powerhouse designed to deliver reliable, high-efficiency performance in demanding applications. Built to meet stringent international standards, this **three-phase, alternating current (AC) motor** operates seamlessly across a dual-voltage configuration of **230V or 460V**, making it exceptionally versatile for a wide range of industrial environments, from manufacturing plants and processing facilities to HVAC systems and conveyor applications. With a **rated output of 2.5 horsepower (HP)**, this motor provides a balanced blend of torque and speed, ensuring optimal performance without excessive strain on connected machinery. Running at a consistent **1700 revolutions per minute (RPM)**, it offers smooth, consistent operation while maintaining energy efficiency, reducing operational costs over time.

The **KBA series** designation signifies its **totally enclosed, fan-cooled (TEFC) design**, which ensures superior protection against dust, moisture, and corrosive elements, making it ideal for harsh or unregulated environments. Constructed with high-grade materials, including a robust **cast iron end shields** and a **stainless steel shaft**, this motor is built to withstand prolonged use while minimizing wear and tear. Its **NEMA Premium efficiency rating** further enhances its appeal, as it consumes less energy compared to standard motors, contributing to both cost savings and sustainability efforts. The **90-frame size** provides ample space for internal components, ensuring longevity and reducing the risk of overheating, even under continuous heavy loads.

Demag s reputation for **innovative engineering and durability** is evident in this motor s design, which incorporates **high-quality bearings** and a **sealed rotor**, reducing maintenance requirements and extending operational life. The **class F insulation** ensures reliable performance at elevated temperatures, while the **IP55 protection rating** guarantees resistance to solid particles and light water ingress, making it suitable for both indoor and outdoor applications. Whether integrated into a **pump system, compressor, or material handling equipment**, this motor delivers consistent power with minimal vibration, contributing to the overall stability and efficiency of the machinery it drives. For industries prioritizing **reliability, efficiency, and low maintenance**, the Demag 71706279 KBA 2.5HP motor stands as a dependable choice, blending cutting-edge technology with proven performance to meet the demands of modern industrial operations.

### **Pros and Cons of buying a Demag 71706279 KBA 2.5 HP AC Electric Motor (230/460V, 3-Phase, 1700 RPM, 90 Frame)**

#### **Pros:**

1. **Reliable Brand Reputation** Demag (now part of **KTR Group**) is a well-established manufacturer of industrial motors, known for durability and consistent performance in industrial applications. Their motors are often used in conveyor systems, pumps, compressors, and other heavy-duty machinery.

2. **Dual Voltage (230V/460V) Compatibility** The ability to operate on both 230V and 460V makes this motor versatile for different electrical setups without requiring significant modifications. This flexibility can be useful in facilities with varying voltage requirements.

3. **Three-Phase Design** Three-phase motors are generally more efficient, smoother in operation, and better suited for high-power applications compared to single-phase motors. They are standard in industrial environments where consistent torque and power delivery are critical.

4. **Standard Frame Size (90 Frame)** The 90 frame is a common industrial motor size, meaning replacement parts, bearings, and accessories are widely available. This reduces downtime and maintenance costs in the long run.

5. **1700 RPM Speed** This speed is suitable for many applications, including conveyor belts, fans, and light-duty machinery. It strikes a balance between efficiency and torque without requiring excessive gear reduction.

6. **2.5 HP Rating** The 2.5 horsepower rating is adequate for moderate industrial tasks such as small pumps, exhaust fans, or light material handling. It is powerful enough for many small-scale applications but not overly large for most needs.

7. **Potential for Long Lifespan** With proper maintenance, Demag motors are known to last for decades, especially in applications where they are not subjected to extreme conditions (e.g., excessive dust, moisture, or temperature fluctuations).

8. **Compatibility with Standard Control Systems** Three-phase motors like this one can be easily integrated with variable frequency drives (VFDs) if speed control is required, adding flexibility for future upgrades.

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#### **Cons:**

1. **Age of the Model** The **71706279 KBA** appears to be an older Demag model (likely from the late 20th century or early 2000s). Newer motors may incorporate advanced features such as:

- **Energy-efficient IE2 or IE3 ratings** (this motor may not meet modern efficiency standards).

- **Enhanced thermal protection** (older models may lack advanced overload relays or digital monitoring).

- **Better sealing against dust and moisture** (if operating in harsh environments, a more modern IP rating may be preferable).

2. **Potential for Higher Energy Consumption** Older motors often have lower efficiency ratings compared to contemporary **IE2 or IE3** standards. If energy costs are a concern, a newer, more efficient motor could save money over time.

3. **Limited Warranty or Support** Demag s warranty policies may not be as robust as those of newer manufacturers. Additionally, finding authorized service centers for older models can be more difficult, potentially increasing maintenance costs.

4. **Compatibility with Modern Controls** If the application requires **VFD compatibility, digital monitoring, or smart motor controls**, an older motor may not integrate as seamlessly as a newer model with built-in communication protocols (e.g., Modbus, Profibus).

5. **Potential for Higher Maintenance Over Time** While Demag motors are durable, older models may require more frequent bearing lubrication, brush replacements (if applicable), or other upkeep compared to modern sealed or maintenance-reduced designs.

6. **Resale Value** Older motors generally have lower resale value compared to newer, high-efficiency models, which may be a consideration if you plan to upgrade or sell the equipment in the future.

7. **Noise and Vibration** Older motors may exhibit slightly more noise and vibration compared to modern designs optimized for smoother operation.

8. **Limited Customization Options** If you need specific features like **explosion-proof certification, high IP ratings, or special mounting configurations**, an older model may not offer these options without modifications.

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### **Conclusion:**

The **Demag 71706279 KBA 2.5 HP AC motor** is a **reliable, well-proven industrial motor** that remains a solid choice for **moderate-duty applications** where cost-effectiveness and durability are priorities. It excels in **conveyor systems, small pumps, fans, and light material handling** where a **three-phase, dual-voltage motor** is needed.

However, if **energy efficiency, modern control integration, or long-term cost savings** are critical, a **newer IE2/IE3-rated motor** from brands like **KTR, ABB, Siemens, or WEG** may be a better investment. These newer motors offer **better efficiency, digital monitoring, and compatibility with smart systems**, which can reduce operational costs and improve reliability in the long run.

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### **Recommendation:** - **Buy the Demag 71706279 KBA if:**

- You need a **proven, durable motor** for a **low-to-moderate-duty application** (e.g., small conveyor, fan, or pump).

- You are operating in a **controlled environment** (not extreme dust, moisture, or temperature).

- You **prioritize cost upfront** over long-term energy savings.

- You can **maintain it properly** (bearing checks, brush replacements if applicable).

- **Consider a newer motor (IE2/IE3) if:**

- You want **better energy efficiency** (lower operating costs).

- Your application requires **VFD compatibility or digital monitoring**.

- You operate in a **harsh environment** (high dust, moisture, or temperature).

- You plan to **keep the motor for 10 years** (newer models will save on electricity bills).

- You need **explosion-proof or high-IP ratings** for safety.

- **Alternative Brands to Consider:**

- **KTR (formerly Demag)** Newer models with improved efficiency.

- **WEG** Known for high-efficiency, reliable motors with good warranties.

- **ABB or Siemens** If budget allows, these offer premium features like **predictive maintenance and smart controls**.

- **TECO or Lenze** Good mid-range options with modern efficiency standards.

**Final Verdict:**

The Demag 71706279 KBA is a **good used or refurbished option** for budget-conscious buyers in suitable applications. However, for **new installations or long-term use**, investing in a **modern, high-efficiency motor** will likely provide **better performance, lower energy costs, and easier integration with future technologies**. If you decide to proceed with the Demag motor, ensure it is **thoroughly inspected for wear, tested for efficiency, and properly maintained** to maximize its lifespan.

Details:

Enclosure: TEFC. Expedited shipping is also available. Quick Links Contact. voltage : 230/460.

Insulation Class. Minnesotan Demag AC electric motor. Next Day Second Air Services are available. LOCAL PICK-UP, Prefer to pick it up yourself.

IEC Frame: 90. height : 10 in. We choose the carrier. Amps: 9.1/4.6.

Will there be a dock or forklift. Need it urgently. Your phone number and business name. After the return period has ended, you can no longer product.

part #: 71706279 price

  • $999.99

specifications oelemot:

  • brand: Demag
  • mpn: 71706279
  • part type: Ac 5hp Motor Frame
  • country of manufacture: Germany

payments oelemot:

  • wallet: Google-pay
  • other
  • credit card: Visa

returns oelemot:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Buyer

shipping oelemot:

  • type: Calculated
  • class: Standard, Expedited, One-day
  • carrier: UPS
  • transit: 4-6 Days
  • service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
  • cost: $128.13

general oelemot:

  • condition: Used
  • Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

seller oelemot:

  • rating: 99.8%
  • city: Middlebury, Indiana
  • # reviews: 65405

offer oelemot:

  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • started: May 16, 2026
  • sold: 0
  • quantity: 1
part type: ac 5hp motor frame, country of manufacture: germany,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 22093840138014663,
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1 offer $999.99 USD
  • Used. Offer #1 priced at $999.99 + $128.13 shipping estimate = $1128.12* total. +$128.13 shipping

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