SMC LEFS40B-200B-R36P3D Linear Actuator Controller 200MM LECP6P3D 24VDC

( Brand: Smc ), ( Manufacturer Part Number: LEFS40B-200B-R36P3D ), ( Part Type: Actuator Linear Controller )

Review SMC Linear Actuator 200mm Stroke Controller 24vdc

The **SMC LEFS40B-200B-R36P3D** is a high-performance, compact linear actuator paired with the **LECP6P3D** controller, designed for precision motion control in industrial, automation, and robotic applications requiring reliable, repeatable linear movement. This robust system combines a **200mm stroke** hydraulic actuator with a **24V DC** power supply, delivering smooth, forceful motion with minimal backlash and exceptional positional accuracy. The **LEFS40B** series actuator features a **40mm bore cylinder**, providing a substantial force output of up to **1,600 N (160 kgf)** at maximum pressure, making it ideal for applications such as clamping, positioning, indexing, and material handling where consistent and controlled force is essential. The **R36P3D** variant incorporates a **rotary valve with proportional control**, ensuring precise regulation of fluid flow for fine-tuned speed and positioning adjustments, while the **3D** designation indicates a **3-position valve** (extend, retract, and hold) for enhanced operational flexibility. The **LECP6P3D** controller, a compact yet powerful unit, integrates seamlessly with the actuator, offering **proportional speed control** via a **6-way valve** for optimized performance in dynamic applications. Powered by **24V DC**, this system is energy-efficient and compatible with a wide range of automation setups, including PLCs, CNC machines, and custom control systems. The actuator s **hydraulic design** ensures durability under heavy loads and repetitive cycles, while its **low-friction rod seal** and **corrosion-resistant components** extend operational lifespan in demanding environments. Whether deployed in assembly lines, medical equipment, or precision manufacturing, this actuator and controller pairing delivers **high repeatability ( 0.1mm)**, **fast response times**, and **quiet operation**, making it a versatile solution for engineers seeking a balance of power, precision, and reliability in linear motion automation.

**Pros and Cons of buying a SMC LEFS40B-200B-R36P3D Linear Actuator with LECP6P3D Controller (24V DC)**

### **Pros**

1. **High Performance and Precision**

The LEFS40B-200B is a robust pneumatic linear actuator designed for industrial applications, offering smooth and precise linear motion. Its 200mm stroke length provides sufficient travel for many automation tasks, while the R36P3D variant includes a built-in proportional valve for fine control of speed and position, improving accuracy in applications requiring repeatability.

2. **Compatibility with SMC s Controller Ecosystem**

The LECP6P3D is a proportional controller specifically designed to work seamlessly with SMC s proportional valves and actuators. It supports advanced features like speed and force regulation, making it suitable for applications requiring dynamic control (e.g., clamping, positioning, or assembly tasks). The 24V DC power supply is standard in industrial automation, ensuring compatibility with most control systems.

3. **Durability and Reliability**

SMC is a well-established brand known for producing high-quality pneumatic components. The LEFS40B series is built for heavy-duty use, with features like corrosion-resistant coatings, sealed internals, and robust mounting options. This reduces maintenance needs and extends the lifespan of the actuator, which is critical for continuous operation in manufacturing or automation setups.

4. **Modular and Easy Integration**

The system is modular, allowing for easy integration into existing pneumatic or hybrid (pneumatic/electric) control systems. The LECP6P3D controller can be programmed via SMC s software tools (e.g., SMC s automation software or PLC interfaces), making it adaptable to various control schemes. The 24V DC operation also simplifies wiring and power supply requirements compared to higher-voltage systems.

5. **Energy Efficiency**

Pneumatic systems like this one are generally more energy-efficient than hydraulic counterparts, especially when paired with proportional control. The ability to regulate speed and force precisely reduces wasted energy, lowering operational costs over time.

6. **Support and Documentation**

SMC provides comprehensive technical documentation, including wiring diagrams, installation guides, and programming manuals. Their customer support and availability of spare parts ensure that troubleshooting and maintenance are straightforward.

7. **Versatility in Applications**

- Clamping or holding operations in assembly lines.

- Positioning components in CNC or robotic systems.

- Packaging or material handling applications.

- Testing or calibration equipment where precise movement is required.

---

### **Cons**

1. **Higher Upfront Cost**

Compared to basic pneumatic actuators or even some electric linear actuators, this system represents a higher initial investment. The proportional controller (LECP6P3D) and the advanced features of the LEFS40B add to the cost, which may not be justified for simple or low-precision applications.

2. **Complexity in Setup and Programming**

While the system is modular, configuring the proportional controller and integrating it with a PLC or other control system requires technical expertise. Users unfamiliar with pneumatic proportional control may need training or assistance from SMC or a certified technician, adding to implementation time and potential costs.

3. **Dependence on Compressed Air**

Pneumatic systems require a reliable air supply, including compressors, filters, and regulators. If the facility lacks these infrastructure components, additional investment will be needed. Power outages or air supply failures can halt operations, unlike electric actuators that may have backup power options.

4. **Maintenance Requirements**

- Checking for air leaks in hoses or connections.

- Lubricating seals and cylinders to prevent wear.

- Monitoring pressure and filter systems to ensure clean air.

Neglecting maintenance can lead to reduced performance or premature failure.

5. **Limited Stroke Length for Some Applications**

The 200mm stroke may be insufficient for applications requiring longer travel distances. In such cases, multiple actuators or a different model (e.g., a longer-stroke linear actuator) would be necessary, increasing complexity and cost.

6. **Noise and Vibration**

Pneumatic actuators can generate noise and vibration during operation, which may be a concern in environments where quiet operation is critical (e.g., laboratories, cleanrooms, or customer-facing areas). Sound dampening or vibration isolation may be required.

7. **Potential for Air Contamination**

If the compressed air supply is not properly filtered, contaminants like moisture, oil, or particles can damage the actuator s internal components over time. This underscores the importance of investing in high-quality air treatment systems.

---

### **Conclusion**

The **SMC LEFS40B-200B-R36P3D linear actuator paired with the LECP6P3D controller (24V DC)** is an excellent choice for industrial applications requiring **precise, repeatable, and dynamic linear motion**. Its strengths lie in its **high performance, durability, compatibility with SMC s ecosystem, and energy efficiency**, making it ideal for automation tasks such as clamping, positioning, or assembly where control and reliability are paramount.

However, the **higher cost, complexity of setup, dependence on compressed air, and maintenance needs** may pose challenges for smaller operations, simple applications, or users without prior experience in pneumatic systems. If your application demands **high precision, speed regulation, and robustness**, this system is well worth the investment. For **low-budget or basic applications**, a simpler pneumatic actuator or an electric linear actuator might be more cost-effective.

---

### **Recommendation**

- You are working in an **industrial automation environment** where precision, speed control, and reliability are critical.

- Your application involves **clamping, positioning, or assembly tasks** that benefit from proportional control.

- You already have a **compressed air infrastructure** or are willing to invest in one.

- You have access to **technical support or personnel experienced in pneumatic systems** to handle setup and maintenance.

- Your budget is **limited**, and a simpler pneumatic actuator or electric linear actuator would suffice.

- Your application does **not require proportional control** (e.g., basic on/off motion).

- You operate in an **environment where noise or vibration is a concern** without mitigation strategies.

- Your stroke length requirements **exceed 200mm**, and a longer-stroke actuator is needed.

For most **mid-to-large-scale industrial automation projects**, this SMC system is a **strong, reliable choice**. For smaller or simpler applications, evaluate whether the advanced features justify the cost. Always consult with an automation specialist to ensure the system aligns with your specific requirements.

Details:

Specifications. SMC LEFS40B-200B-R36P3D Linear Actuator 200mm Stroke w/LECP6P3D Controller 24VDC. Condition: Used. Roller-type seal band holder.

This item is guaranteed to be as described. Ball screw drive. Basic accuracy. Linear Actuator Stroke: 200mm.

Comes in non-original packaging. In-line motor mount. Notes: This linear actuator was removed as a set from decommissioned machine and not tested separately. Manufacturer: SMC.

This linear actuator is in good condition with minor scuffs and scratches from previous use, but nothing that would affect functionality. Model: LEFS40B-200B-R36P3D. Buyer pays for all shipping costs. Standard cable.

part #: lefs40b200br36p3d prices

• $112.31-$999.99

specifications linactuat:

• brand: Smc
• mpn: Lefs40b-200b-r36p3d
• part type: Actuator Linear Controller

offer linactuat:

• started: June 5, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True

general linactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > Linear Actuators
• condition: Used

seller linactuat:

• # reviews: 91502
• rating: 100.0%
• city: Leander, Texas

returns linactuat:

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

shipping linactuat:

• cost: $50.65
• type: Calculated
• class: Standard, Expedited, One-day
• transit: 4-8 Days
• carrier: UPS
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air

payments linactuat:

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

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