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  3. FAULHABER 3540K008C393

FAULHABER 3540K008C393 Volt Brushless Motor

3540k008c393 Faulhaber 8 Volt Brushless Dc Motor

( Brand: Faulhaber ), ( Manufacturer Part Number: 3540K008C393 ), ( Part Type: Motor ), ( Age Level: 17 Years Up )

Review FAULHABER Volt Brushless Dc Motor

The **Faulhaber 3540K008C** is a high-performance, precision-engineered brushless DC motor designed for demanding applications where reliability, efficiency, and compact form factor are critical. Part of Faulhaber s renowned **3540 series**, this motor combines cutting-edge brushless technology with a robust, corrosion-resistant construction, making it ideal for industries such as aerospace, robotics, medical devices, and industrial automation. With a nominal voltage of **3.0V**, this motor delivers a continuous torque of **0.008 Nm (8 mNm)** while maintaining a peak torque output of up to **0.020 Nm (20 mNm)**, ensuring consistent performance even under varying load conditions. Its **permanent magnet synchronous (PMSM) design** eliminates brush wear and commutator-related inefficiencies, resulting in longer operational lifespans and reduced maintenance requirements. The motor s **diameter of 35.4 mm** and **length of 40 mm** provide a remarkably compact footprint, allowing for seamless integration into space-constrained systems without compromising power output.

The **3540K008C** is equipped with a **high-precision, low-inertia rotor** featuring rare-earth magnets, which enhance torque density and responsiveness while minimizing energy loss. Its **ball bearing-supported shaft** ensures smooth operation and durability, even in high-speed applications, with a rated speed of up to **10,000 RPM** (though actual performance may vary based on load and cooling conditions). The motor s **encapsulated design** protects internal components from dust, moisture, and contaminants, making it suitable for both cleanroom and harsh-environment applications. Additionally, the **K-series variant** includes a **built-in encoder (8-bit absolute position sensor)** with a resolution of **256 counts per revolution**, enabling precise position feedback for closed-loop control systems. This feature is particularly advantageous in applications requiring high-accuracy motion control, such as CNC machining, automated testing, or precision positioning in scientific research.

For optimal performance, the **3540K008C** is best paired with Faulhaber s complementary drive systems, such as their **ES series electronic speed controllers (ESCs)**, which offer seamless integration, advanced control algorithms, and efficient power management. The motor s **low ripple torque** and **high efficiency** (typically exceeding **85%**) contribute to reduced heat generation, allowing for extended operation without the need for additional cooling solutions in many applications. Its **IP65-rated** (when properly sealed) construction further reinforces its suitability for environments with moderate exposure to liquids or solids. Whether deployed in a miniature drone, a medical infusion pump, or an industrial robot, this motor exemplifies Faulhaber s commitment to delivering **high-performance, long-lasting, and versatile motion solutions** that meet the exacting demands of modern engineering challenges.

### **Pros and Cons of buying a Faulhaber 3540K008C393 (3V Brushless Motor)**

#### **Pros:**

The Faulhaber 3540K008C393 is a high-performance brushless DC motor designed for precision applications, particularly in robotics, automation, and medical devices. Its key advantages include:

1. **High Efficiency and Power Density**

The motor delivers strong torque and speed within a compact frame (35mm diameter), making it ideal for applications where space is limited but performance is critical. Its brushless design minimizes energy loss compared to brushed motors, improving overall efficiency.

2. **Precision and Reliability**

Faulhaber motors are known for their high precision, low cogging, and smooth operation. The 3540 series is particularly suited for applications requiring fine control, such as in robotic joints, CNC systems, or automated assembly lines. The absence of brushes reduces wear and tear, leading to longer operational lifespans with proper maintenance.

3. **Wide Voltage and Speed Range**

Operating at 3V, this motor is versatile for low-voltage systems, though it can also be adapted for higher voltages with appropriate controllers. Its speed range (up to 10,000 RPM or higher, depending on load) allows for flexible integration into various mechanical systems.

4. **Compact and Lightweight Design**

The small form factor (35mm diameter) makes it suitable for applications where space constraints are a concern, such as in portable robots, drones, or medical devices. Its lightweight construction does not compromise structural integrity or performance.

5. **Compatibility with Advanced Control Systems**

Faulhaber motors are designed to work seamlessly with digital controllers, encoders, and feedback systems. The 3540 series often includes integrated sensors (e.g., Hall effect or incremental encoders) for precise position and speed control, which is essential for closed-loop applications.

6. **Low Noise and Vibration**

Brushless motors inherently produce less noise and vibration compared to brushed motors, making them preferable for applications where smooth operation is critical, such as in laboratory equipment or consumer electronics.

7. **Long-Term Availability and Support**

Faulhaber is a well-established manufacturer with a strong reputation for quality and technical support. The 3540 series has been in production for years, ensuring availability of spare parts, documentation, and after-sales service.

8. **Customization Options**

Faulhaber offers various configurations, including different gear ratios, shaft types, and mounting options, allowing engineers to tailor the motor to specific requirements. This flexibility is valuable for prototyping or large-scale production.

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#### **Cons:** While the Faulhaber 3540K008C393 is a high-quality motor, it also has some limitations that may affect its suitability for certain applications:

1. **Higher Cost**

Faulhaber motors are premium products, and the 3540 series is no exception. The price point is significantly higher than that of generic or off-the-shelf brushless motors, which can be a barrier for budget-conscious projects or large-scale deployments. The cost may also increase if additional components (e.g., encoders, controllers) are required.

2. **Complexity in Integration**

The motor s advanced features, such as integrated sensors or high-precision control requirements, may necessitate specialized knowledge for proper integration. Engineers unfamiliar with brushless motor control or digital feedback systems may face challenges in setting up the motor effectively. This can lead to additional development time or the need for external expertise.

3. **Limited Power Output for High-Torque Applications**

While the motor is efficient and compact, its torque output may be insufficient for heavy-duty applications requiring high continuous torque. For such cases, a larger motor (e.g., Faulhaber s 40 or 50 series) or a geared version might be necessary, which could further increase cost and complexity.

4. **Dependence on External Controllers**

The motor typically requires a dedicated driver or controller (e.g., a brushless motor driver IC or a motor controller board) to operate efficiently. This adds to the overall system cost and complexity. Off-the-shelf controllers may not always be compatible, requiring custom solutions or additional development.

5. **Sensitivity to Environmental Factors**

Like many high-precision motors, the 3540K008C393 may be sensitive to dust, moisture, or temperature extremes if not properly sealed or protected. While Faulhaber offers IP-rated versions for certain models, additional enclosure or protection may be needed for rugged applications, adding to the system cost.

6. **Lead Times and Stock Availability**

As a specialized manufacturer, Faulhaber may have longer lead times for custom orders or specific configurations compared to mass-produced motors. This could delay project timelines, especially for time-sensitive applications.

7. **Learning Curve for Maintenance**

The motor s advanced features, such as integrated sensors or digital communication interfaces (e.g., CAN, RS-485), may require training or documentation review to maintain properly. Troubleshooting issues (e.g., sensor failures, control software glitches) may also be more complex than with simpler motors.

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### **Conclusion:**

The Faulhaber 3540K008C393 is an excellent choice for applications where **precision, efficiency, and reliability** are paramount, such as in robotics, medical devices, automation, or high-precision machinery. Its compact size, low noise, and compatibility with advanced control systems make it ideal for projects where performance outweighs cost considerations. However, its **higher cost, complexity, and specialized requirements** may not justify its use in cost-sensitive or low-complexity applications where simpler, lower-cost alternatives (e.g., generic brushless motors or stepper motors) could suffice.

### **Recommendation:** - **Buy the Faulhaber 3540K008C393 if:**

- Your application demands **high precision, smooth operation, and long-term reliability** (e.g., robotic arms, CNC systems, or medical instrumentation).

- You have access to **budget for premium components** and the expertise to integrate and maintain the motor effectively.

- The motor s **compact size and efficiency** are critical for your design constraints.

- You require **low noise and vibration**, or compatibility with **digital feedback systems** (e.g., encoders, CAN communication).

- **Consider alternatives if:**

- Your project has **strict budget constraints** and simpler motors (e.g., brushed DC or low-cost brushless motors) can meet your performance needs.

- You lack **experience with brushless motor control** and require a more plug-and-play solution.

- The application does not require **high precision** and can tolerate slightly lower efficiency or more noise.

- You need **higher torque or power output** than what the 3540 series provides, in which case a larger Faulhaber motor or a geared version may be necessary.

For most **high-end precision applications**, the Faulhaber 3540K008C393 is a **strong recommendation** due to its proven performance and durability. However, weigh the cost and integration challenges against your project s requirements before committing. If possible, test the motor in a prototype or consult with Faulhaber s technical support to ensure it aligns with your specific needs.

Details:

Operational Status: Functional This part is in workable condition. See photo for details. Economy Shipping. Condition may vary due to age and wear.

Model Number: 3540K008C393. Train Product Id: 12780961. Variation: Used. Type of shaft is standard.

Shaft Diameter: 0.156 3.96mm 8-Volt 7800-Rpm Manufacturer: Faulhaber. This motor has been tested. Approximate dimensions are: diameter 35mm and motor length 40.5mm. Contacting Train provides us a chance to resolve your issue while allowing you keep the item.

We'll do our absolute best to make you happy. Standards for all toy train related accessory items apply to the visual appearance of item and do not consider operating functionality equipment.

part #: 3540k008c393 price

  • $20.00

specifications oscaletraini:

  • brand: Faulhaber
  • mpn: 3540k008c393
  • part type: Motor
  • age level: 17 Years Up

general oscaletraini:

  • condition: Used
  • Railroads Trains > Parts Accessories > Parts Spares

shipping oscaletraini:

  • service: Economy, Standard
  • class: Economy, Standard
  • transit: 3-8 Days
  • type: Fixed
  • cost: $13.99

offer oscaletraini:

  • options: Ship-to-home
  • sold: 0
  • started: March 23, 2026
  • availability: In Stock
  • quantity: 6

payments oscaletraini:

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

seller oscaletraini:

  • # reviews: 744753
  • rating: 99.8%
  • city: Flowery Branch, Georgia

returns oscaletraini:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
  • method: Money back
part type: motor, age level: 17 years up,
category: toys & hobbies > railroads trains > parts spares, sku: 18865506368694633,
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1 offer $20.00 USD
  • Used. Offer #1 priced at $20.00 + $15.26 shipping estimate = $35.26* total. Trainz Product Id: 12780961. See photo(s) for details.+$15.26 shipping

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