SMC 11-MSQB50R Pneumatic Rotary Actuator Table Autoswitches 2X D-A93 Sensors

( Brand: Smc ), ( Manufacturer Part Number: 11-MSQB50R ), ( Part Type: Pneumatic Actuator Table Sensor ), ( Country Of Origin: Japan )

Review SMC Pneumatic Rotary Actuator Table 2x Autoswitches Sensors

The **SMC 11-MSQB50R Pneumatic Rotary Actuator with 2x D-A93 Auto-Switches and Integrated Sensors** is a high-performance, precision-engineered pneumatic actuator designed to deliver reliable, repeatable rotational motion in industrial automation applications. Part of SMC s renowned MSQ series, this robust actuator combines seamless integration with pneumatic systems and advanced control capabilities to enhance efficiency and productivity in manufacturing, packaging, material handling, and assembly lines. With a compact yet durable construction, the 11-MSQB50R features a **50mm stroke length**, providing a full 90-degree rotation (0 to 90 ) with smooth, consistent movement driven by compressed air. Its **double-acting design** ensures precise positioning and quick response times, making it ideal for applications requiring both clockwise and counterclockwise motion with minimal backlash.

The actuator is equipped with **two integrated D-A93 auto-switches**, which are self-adjusting limit switches that eliminate the need for manual calibration. These switches provide **contact-free, non-contact sensing** via magnetic or inductive detection, ensuring reliable detection of the actuator s end-of-stroke positions without mechanical wear. The auto-switches are designed to withstand harsh environments, offering long-term durability and consistent performance even in high-cycle applications. Additionally, the system includes **built-in sensors** that can be configured for position feedback, enabling seamless integration with PLCs, CNC controls, or other automation systems for advanced monitoring and control. This feature enhances safety and operational efficiency by allowing real-time tracking of the actuator s position, reducing downtime, and preventing collisions or misalignments.

Constructed from high-quality materials, the 11-MSQB50R is built to endure demanding industrial conditions, featuring a **stainless steel shaft** for corrosion resistance and a **durable aluminum housing** that balances strength with lightweight design. The actuator s **sealed bearings and precision-ground gears** ensure smooth, vibration-free operation while minimizing energy consumption, contributing to lower operational costs. Its **quick-connect fittings** simplify installation and maintenance, allowing for rapid assembly and disassembly without specialized tools. The unit is also compatible with SMC s extensive range of pneumatic components, including valves, cylinders, and control systems, making it a versatile choice for custom automation solutions.

Beyond its technical specifications, the 11-MSQB50R excels in versatility, accommodating a wide array of applications such as **rotary indexing tables, conveyor systems, automated sorting machines, and robotic arms**. Its compact footprint and modular design allow for easy integration into existing setups, while its **adjustable mounting options** including flange, base, or pivot mounts ensure flexibility in installation. The actuator s **low noise operation** and **energy-efficient pneumatic drive** further enhance its appeal for environments where operational quietness and sustainability are priorities. Whether deployed in a high-speed packaging line or a precision assembly cell, the SMC 11-MSQB50R delivers a perfect blend of reliability, precision, and adaptability, making it a cornerstone for modern automated processes.

**Pros and Cons of buying a SMC 11-MSQB50R Pneumatic Rotary Actuator with 2x D-A93 AutoSwitches and Sensors**

### **Pros**

1. **Precision and Reliability**

The SMC 11-MSQB50R is a high-quality pneumatic rotary actuator known for its consistent performance and durability. SMC is a well-established brand in industrial automation, offering components with tight tolerances and minimal wear over time. The inclusion of auto-switches (D-A93) ensures smooth and repeatable positioning, reducing manual adjustments.

2. **Versatility in Applications**

This actuator is suitable for a wide range of industrial applications, including automated assembly lines, packaging machines, medical devices, and testing equipment. Its 50-degree rotation range (adjustable) provides flexibility for tasks requiring precise angular movement without excessive overshoot.

3. **Built-in Positioning Sensors**

The integrated D-A93 auto-switches act as limit switches, allowing the actuator to stop at predefined positions with high accuracy. This eliminates the need for external wiring or additional sensors in many cases, simplifying installation and reducing potential points of failure. The sensors also enhance safety by preventing over-rotation or collisions.

4. **Easy Integration**

The actuator is designed for straightforward mounting on tables, frames, or other mechanical structures using standard SMC mounting brackets or flanges. It is compatible with SMC s pneumatic control systems, including valves and regulators, making it easy to integrate into existing setups. The modular design allows for quick replacement if needed.

5. **Maintenance-Friendly**

Pneumatic actuators like this one generally require less maintenance compared to electric or hydraulic alternatives. They have fewer moving parts prone to wear (e.g., no brushes or seals that degrade over time). Lubrication is minimal, and routine checks (e.g., air line integrity, switch functionality) are sufficient for long-term operation.

6. **Cost-Effective for High-Volume Use**

While the initial cost may be higher than some basic actuators, the reliability and longevity of SMC components can reduce downtime and replacement costs over time. For applications requiring frequent or continuous operation, the actuator s durability justifies its investment.

7. **Safety Features**

The auto-switches provide inherent safety by preventing the actuator from exceeding its intended range, which can protect both the equipment and operators. This is particularly valuable in automated systems where human intervention is limited.

8. **Compatibility with SMC Ecosystem**

If you already use SMC components (e.g., valves, cylinders, or control panels), this actuator will seamlessly integrate with your existing system. This reduces compatibility issues and streamlines troubleshooting.

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### **Cons**

1. **Higher Upfront Cost**

Compared to generic or lower-end pneumatic actuators, the SMC 11-MSQB50R is more expensive. This may be a barrier for small businesses or projects with tight budgets, especially if alternatives meet the performance requirements.

2. **Dependence on Pneumatic Systems**

The actuator requires a reliable air supply (compressed air system), which adds complexity and cost. If your setup lacks a pneumatic infrastructure, additional investments in compressors, filters, and regulators may be necessary. Electric or hydraulic actuators might be more straightforward in such cases.

3. **Limited Rotation Range**

The standard 50-degree rotation may be insufficient for applications requiring larger angular movements. While the range is adjustable, extreme customization could require additional components or modifications, potentially increasing costs.

4. **Noise and Vibration**

Pneumatic actuators can generate noise and vibration during operation, which may be problematic in sensitive environments (e.g., cleanrooms, laboratories, or noise-sensitive facilities). While this is not unique to SMC, it is a consideration for certain applications.

5. **Skill Dependency for Installation**

Proper installation and calibration of the actuator, especially with the auto-switches, may require technical expertise. Misalignment or incorrect wiring could lead to malfunctions or reduced lifespan. Training or consulting with an expert may be necessary.

6. **Sensor Limitations**

The D-A93 auto-switches are mechanical limit switches, which can wear out over time and may require periodic maintenance or replacement. While they are robust, they are not as precise or durable as electronic sensors in some cases. For high-precision applications, additional sensors (e.g., encoders) might be needed.

7. **Size and Space Constraints**

The actuator s dimensions may not fit in compact or space-limited setups. Careful planning is required to ensure it aligns with the mechanical layout of your equipment.

8. **Dependence on Air Quality**

Poor-quality compressed air (with moisture, contaminants, or pressure fluctuations) can affect the actuator s performance and lifespan. Additional filtration and regulation equipment may be required to maintain optimal operation.

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### **Conclusion**

The SMC 11-MSQB50R pneumatic rotary actuator with 2x D-A93 auto-switches and sensors is a robust, reliable, and versatile choice for applications requiring precise, repeatable angular movement in industrial or automated settings. Its strengths lie in its precision, ease of integration with SMC systems, and built-in safety features, which make it ideal for high-volume or mission-critical operations. However, the higher cost, dependence on pneumatic infrastructure, and potential maintenance requirements for sensors may pose challenges for smaller budgets or non-industrial applications.

### **Recommendation**

- You are working in an industrial or automated environment where precision, reliability, and integration with SMC components are priorities.

- Your application requires frequent or continuous operation where downtime is costly.

- You already have a pneumatic system in place or are willing to invest in one.

- The 50-degree rotation range (or adjustable range) meets your needs, and additional sensors are not required for high precision.

- Your budget is constrained, and you can find a comparable actuator at a lower cost with similar performance.

- Your application does not require pneumatic actuation (e.g., electric or hydraulic actuators might be more suitable).

- The actuator s size or noise levels are incompatible with your workspace requirements.

- You need a larger rotation range or more advanced positioning control (e.g., servo-driven actuators with encoders).

For most industrial applications where cost is not the primary concern and reliability is paramount, the SMC 11-MSQB50R is a strong recommendation. However, conduct a thorough cost-benefit analysis and consult with your pneumatic system provider to ensure it aligns with your specific requirements.

Details:

SMC 11-MSQB50R Pneumatic Rotary Actuator Table w/ 2x D-A93 Autoswitches Sensors, Good used condition, pulled from working equipment.

part #: 11msqb50r prices

• $26.00-$249.99

specifications linactuat:

• brand: Smc
• mpn: 11-msqb50r
• part type: Pneumatic Actuator Table Sensor
• country of origin: Japan

returns linactuat:

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

shipping linactuat:

• service: FedEx Ground / FedEx Home Delivery, FedEx Ground Economy, USPS Ground Advantage, UPS Ground
• class: Standard, Economy
• cost: $0.00
• transit: 2-6 Days
• carrier: FedEx, USPS, UPS
• type: Calculated

offer linactuat:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 2
• sold: 0
• started: March 26, 2026

seller linactuat:

• # reviews: 6959
• city: Loveland, Colorado
• rating: 99.8%

payments linactuat:

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

general linactuat:

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

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