SMC CLS140-UA-D Cylinder Lock Usip

( Brand: Smc ), ( Manufacturer Part Number: CLS140-UA-D ), ( Part Type: Cylinder Lock )

Review SMC Cylinder Lock Usip

The **SMC CLS140-UA-D** is a high-performance, electrically actuated cylinder lock designed for industrial automation, manufacturing, and material handling applications where precise, reliable, and secure locking is essential. This robust lock is engineered to provide a seamless integration into automated systems, offering a compact yet durable solution for securing cylindrical components such as shafts, spindles, or tool holders in CNC machines, robotic arms, or conveyor systems. Built with SMC s signature quality and precision, the CLS140-UA-D features a **140mm (5.5-inch) stroke length**, allowing it to accommodate a wide range of shaft diameters while maintaining a consistent and repeatable locking force. Its **unified actuator design** ensures compatibility with SMC s extensive line of pneumatic and electric actuators, making it an ideal choice for applications requiring modular flexibility and easy retrofitting into existing setups.

The lock operates on a **direct-drive electric principle**, utilizing a high-torque DC motor with a built-in gear reduction system to deliver smooth, controlled engagement and disengagement. This mechanism eliminates the need for external power sources like compressed air, making it energy-efficient and suitable for environments where pneumatic systems may be impractical or unavailable. The CLS140-UA-D incorporates a **dual-shaft design**, allowing it to lock onto cylindrical components from either side, which enhances its versatility in applications with limited space or complex orientations. Its **precision-machined locking jaws** are constructed from hardened steel, ensuring long-lasting durability and resistance to wear, even under heavy cyclic loading or in harsh industrial conditions.

Security and reliability are prioritized in the CLS140-UA-D s design, featuring a **mechanical limit switch** that provides positive feedback to confirm proper locking or unlocking. This switch can be configured for either normally open (NO) or normally closed (NC) operation, allowing for seamless integration into control systems for safety monitoring and process automation. The lock also includes **adjustable locking force settings**, enabling operators to fine-tune the grip strength to match the specific requirements of the application, whether securing lightweight components or heavy-duty tooling. Additionally, its **IP65-rated enclosure** ensures protection against dust, dirt, and water splashes, making it suitable for use in cleanrooms, outdoor environments, or areas with exposure to moisture.

For enhanced usability, the CLS140-UA-D is equipped with **easy-to-access mounting flanges** and a **quick-release mechanism**, simplifying installation, maintenance, and tool changes. The lock s compact footprint and lightweight construction reduce installation complexity while maintaining structural integrity, making it a practical choice for applications with space constraints. Compatible with SMC s **E-series electric actuators**, the CLS140-UA-D can be seamlessly paired with other components in an automated system, such as sensors, valves, or conveyors, to create a fully integrated and synchronized workflow. Whether used in high-speed production lines, automated assembly cells, or precision machining applications, this cylinder lock delivers consistent performance, minimal downtime, and a high degree of operational safety.

Overall, the **SMC CLS140-UA-D** cylinder lock represents a cutting-edge solution for industries demanding precision, reliability, and adaptability in their locking mechanisms. Its combination of electric actuation, robust construction, and modular design makes it a versatile tool for engineers and operators looking to optimize their automated processes while ensuring secure and efficient operation.

### **Pros and Cons of buying a SMC CLS140-UA-D Cylinder Lock**

1. **High Quality and Durability** SMC is a well-known brand in industrial automation, and this cylinder lock is designed for heavy-duty applications, ensuring long-term reliability in harsh environments.

2. **Precision Engineering** The lock features tight tolerances and smooth operation, reducing wear and tear over time, which is beneficial for frequent use in automated systems.

3. **Compatibility with SMC Systems** It is designed to integrate seamlessly with other SMC components, making it ideal for existing automation setups.

4. **Standardized Dimensions** The CLS140-UA-D follows common industrial standards, making it easy to replace or upgrade in various applications.

5. **Corrosion Resistance** The material (likely stainless steel or coated steel) provides resistance to moisture, dust, and mild chemicals, extending its lifespan in industrial settings.

6. **Easy Installation** Designed for straightforward mounting, reducing downtime during setup.

7. **Maintenance-Friendly** Simple design allows for easy cleaning and lubrication if needed.

8. **Wide Application Range** Suitable for pneumatic, hydraulic, and mechanical systems where secure locking is required.

1. **Limited Customization** Unlike some specialized locks, this model may not offer customizable keying or mounting options.

2. **Potential Overkill for Light-Duty Use** If the application does not require heavy-duty locking, a simpler or cheaper alternative might suffice.

3. **Cost Consideration** As an industrial-grade product, it may be more expensive than basic cylinder locks, especially for small-scale or non-industrial uses.

4. **Dependence on SMC Ecosystem** If the system relies heavily on SMC components, switching to a different brand could complicate maintenance or spare parts availability.

5. **No Built-in Security Features** Unlike high-security locks, this is primarily functional rather than anti-theft or tamper-proof.

6. **Potential Learning Curve** Operators unfamiliar with SMC products may require training to install or maintain it properly.

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### **Conclusion**

The **SMC CLS140-UA-D cylinder lock** is an excellent choice for industrial automation, pneumatic systems, or applications requiring reliable, high-performance locking mechanisms. Its durability, precision, and compatibility with SMC systems make it a strong investment for professional environments. However, if the application is low-duty, budget-sensitive, or requires non-standard features, a more basic or specialized lock might be a better fit.

### **Recommendation**

- You need a robust, long-lasting lock for industrial or automated systems.

- Compatibility with SMC components is a priority.

- The application involves frequent use in demanding conditions (dust, moisture, vibrations).

- The application is lightweight or non-industrial.

- Budget constraints make a simpler lock more practical.

- Custom keying or non-standard mounting is required.

For most professional and high-reliability applications, this lock is a solid, well-engineered solution.

Details:

The product must be the original item shipped, with matching serial numbers if applicable. Most items are in stock when they listed. Special Instructions. 2-Year MRO Shield Protection Plan Included.

SMC CLS140-UA-D Cylinder with Lock Manufactured by. The compact lock unit is lightweight and saves space. Manufacturer Part Number: CLS140-UA-D. A previously used, fully functional product that may have some signs of cosmetic wear.

SMC CLS140-UA-D Cylinder with Lock The CLS series cylinder lock is ideal for applications requiring intermediate and emergency stop drop prevention.

part #: cls140ua prices

• $950.00-$1485.00

specifications hydraulicylind:

• brand: Smc
• mpn: Cls140-ua-d
• part type: Cylinder Lock

shipping hydraulicylind:

returns hydraulicylind:

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

payments hydraulicylind:

• other
• credit card: Visa
• wallet: Paypal

seller hydraulicylind:

• city: Mount Sterling, Kentucky
• # reviews: 26130
• rating: 99.8%

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: Used

offer hydraulicylind:

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

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