1. Definite Purpose Motors Offers
  2. sku: 6374159632819771
  3. SEW EURODRIVE DF171K4

SEW EURODRIVE DF171K4 Motor Usip

Df171k4 Sew Eurodrive Motor Usip

( Brand: Sew Eurodrive ), ( Manufacturer Part Number: DF171K4 ), ( Part Type: Motor )

Review SEW EURODRIVE Motor Usip

The **SEW-EURODRIVE DF171K4** is a high-performance, compact, and versatile **DC brushless servo motor** designed to deliver exceptional precision, reliability, and efficiency in demanding industrial automation applications. Part of SEW-EURODRIVE s renowned **DF series**, this motor combines cutting-edge technology with robust engineering to provide seamless integration into motion control systems, making it an ideal choice for manufacturers seeking superior performance in positioning, speed control, and torque delivery. With a **frame size of 171 mm**, the DF171K4 offers a compact yet powerful solution, minimizing footprint while maximizing output ideal for applications where space is limited but performance cannot be compromised.

Engineered for **high dynamic response**, the DF171K4 employs a **permanent magnet synchronous motor (PMSM) design** with a **sinusoidal control system**, ensuring smooth, jitter-free motion with minimal mechanical stress. Its **vector-controlled brushless architecture** eliminates the wear and tear associated with traditional brushed motors, resulting in extended operational lifespan and reduced maintenance requirements. The motor s **high torque density** allows for precise control at both low and high speeds, making it well-suited for applications such as **packaging machinery, robotics, CNC systems, material handling, and automated assembly lines**, where consistency and repeatability are critical.

SEW-EURODRIVE s **DF171K4** is equipped with **SEW s proprietary SINAMICS G120** or **G150 drive systems**, which provide seamless communication via **Profibus, EtherCAT, or CANopen**, enabling real-time synchronization with PLCs and other control systems. This integration capability enhances overall system efficiency by allowing for **closed-loop feedback control**, adaptive speed regulation, and energy-saving features such as **regenerative braking and torque control**. The motor s **IP65 protection rating** ensures durability in harsh environments, including those exposed to dust, moisture, and temperature fluctuations, while its **wide operating temperature range (-20 C to 60 C)** expands its applicability across diverse industrial settings.

One of the standout features of the DF171K4 is its **modular design**, which allows for easy customization with optional accessories such as **encoder feedback (e.g., HiPerface DSL or incremental encoders)**, **integrated cooling solutions**, or **specialized mounting options**. The motor s **high efficiency rating** (up to **92%**) reduces energy consumption, contributing to both cost savings and sustainability goals. Additionally, SEW-EURODRIVE s **SEW-Tool software** simplifies configuration, commissioning, and troubleshooting, ensuring a streamlined implementation process for engineers and technicians.

Whether deployed in **high-speed packaging systems, precision manufacturing, or automated logistics**, the **SEW-EURODRIVE DF171K4** delivers a perfect balance of **power, precision, and reliability**. Its **seamless integration with SEW s drive technology**, combined with its **durability and adaptability**, makes it a premium choice for industries demanding next-generation motion control solutions. With a focus on **long-term performance and minimal downtime**, this motor exemplifies SEW-EURODRIVE s commitment to innovation and engineering excellence in the field of industrial automation.

### **Pros and Cons of buying a SEW-EURODRIVE DF171K4 Motor**

#### **Pros:**

1. **High Efficiency and Performance** The DF171K4 is part of SEW-EURODRIVE s **MOVITRAC L** series, known for its high efficiency (up to **96.5%**) and smooth operation. This reduces energy consumption and operational costs over time.

2. **Compact and Lightweight Design** The motor is designed for **space efficiency**, making it suitable for applications where installation constraints are a concern. Its lightweight nature also simplifies handling and reduces structural load requirements.

3. **High Torque and Power Density** With a **rated power of 1.5 kW (2 hp)** and a **torque range of 10.5 Nm**, it delivers strong performance in demanding applications, such as conveyors, pumps, and machine tools.

4. **Reliable and Durable Construction** SEW-EURODRIVE motors are built with **high-quality materials**, including **IP55 protection** (dust and water-resistant), ensuring long-term reliability in harsh environments.

5. **Compatibility with SEW-EURODRIVE Drives** The motor is designed to work seamlessly with SEW s **MOVITRAC G and B drives**, enabling advanced control features like **regenerative braking, torque control, and energy recovery**, which can improve system efficiency.

6. **Low Maintenance Requirements** The use of **high-quality bearings, sealed rotor, and efficient cooling** reduces wear and tear, leading to fewer maintenance interventions and extended service life.

7. **Global Availability and Support** SEW-EURODRIVE has a strong **after-sales service network**, making it easier to find replacements, spare parts, and technical support worldwide.

8. **Sustainability Features** The motor s efficiency contributes to **lower CO emissions**, aligning with environmental regulations and sustainability goals.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to standard IE2 or even some IE3 motors from other manufacturers, the DF171K4 is **more expensive** due to its premium efficiency and advanced features.

2. **Limited Power Range** The **1.5 kW (2 hp)** rating may be insufficient for high-load applications requiring larger motors (e.g., 3 kW or above). Users needing higher power may need to consider a different model.

3. **Dependence on SEW-EURODRIVE Ecosystem** While the motor works well with SEW drives, integrating it with **third-party variable frequency drives (VFDs)** may require additional considerations, such as matching control signals or compliance with specific protocols.

4. **Stock Availability Issues** Like many specialized industrial components, **lead times can be longer** than standard motors, potentially delaying projects.

5. **Complex Installation for Non-Experts** Due to its advanced features (e.g., encoder feedback, regenerative capabilities), installation and commissioning may require **trained personnel**, increasing setup costs.

6. **Potential Overkill for Simple Applications** If the application does not require **high efficiency, regenerative braking, or precise torque control**, a simpler, lower-cost motor (e.g., IE2 or IE3 standard induction motor) may suffice.

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### **Conclusion**

The **SEW-EURODRIVE DF171K4 motor** is an excellent choice for applications requiring **high efficiency, compact design, and advanced control integration**, particularly in industries where **energy savings, reliability, and long-term performance** are critical. Its strengths lie in its **energy efficiency, durability, and compatibility with SEW s drive systems**, making it ideal for **conveyor systems, pumps, packaging machines, and automated manufacturing processes**.

However, the **higher initial cost, limited power range, and dependency on SEW s ecosystem** may not justify its purchase for **low-load or simple applications** where standard motors would suffice. Additionally, users must consider **lead times and installation complexity** before committing.

### **Recommendation**

- **Buy the DF171K4 if:**

- Your application requires **high efficiency (IE4/IE5 level) and energy savings**.

- You are already using **SEW-EURODRIVE drives** and need seamless integration.

- The motor s **compact size and high torque** are essential for your space and load requirements.

- Long-term **maintenance savings and reliability** outweigh the higher upfront cost.

- **Consider alternatives if:**

- Your budget is tight, and a **standard IE3 motor** meets your efficiency needs.

- You are not using SEW drives, and compatibility with other VFD brands is a priority.

- The application does not require **regenerative braking or precise torque control**, making a simpler motor sufficient.

- You need **higher power (e.g., 3 kW or above)**, as the DF171K4 s 1.5 kW may be limiting.

For most **industrial automation, conveyor systems, or energy-sensitive applications**, the DF171K4 is a **strong, cost-effective choice** despite its premium pricing. However, a **detailed cost-benefit analysis** against project requirements is advisable before purchase.

Details:

Manufacturer Part Number: DF171K4. 2-Year MRO Shield Protection Plan Included. Sew Eurodrive DF171K4 Motor Manufactured by SEW EURODRIVE. A previously used, fully functional product that may have some signs of cosmetic wear.

Special Instructions. The product must be the original item shipped, with matching serial numbers if applicable. Sew Eurodrive DF171K4 Motor Industrial electric motor. Most items are in stock when they listed.

part #: df171k4 price

  • $120.00

specifications momaequ:

  • brand: Sew Eurodrive
  • mpn: Df171k4
  • part type: Motor

shipping momaequ:

  • carrier: UPS, USPS
  • class: Standard, Expedited, One-day
  • cost: $89.53
  • transit: 3-7 Days
  • type: Calculated
  • service: UPS Ground, USPS Ground Advantage, USPS Priority Mail, UPS Next Day Air

returns momaequ:

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

seller momaequ:

  • # reviews: 21925
  • city: Mount Sterling, Kentucky
  • rating: 99.7%

general momaequ:

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

offer momaequ:

  • availability: In Stock
  • options: Ship-to-home
  • started: March 3, 2026
  • quantity: 1
  • best offers: True
  • sold: 0

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part type: motor,
category: business & industrial > industrial automation motion controls > electric > definite purpose, sku: 6374159632819771,
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1 offer $120.00 USD
  • Used. Offer #1 priced at $120.00 + $89.53 shipping estimate = $209.53* total. 2-Year MRO Shield Protection Plan Included! Manufacturer Part Number: .+$89.53 shipping

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