The ESSEN LSMS11 is a compact, high-performance component from the LSM-Series of Industrial Limit Switches. Designed for reliable operation where space is limited, the LSMS11 complies with the IEC 60947-5-1 standard, making it an excellent choice for modern industrial automation and safety systems.
Key Features and Design
The ESSEN LSMS11 Industrial Limit Switch features a snap-action mechanism and a long overtravel plunger, all enclosed in a compact and durable housing. This makes it ideal for applications that require high precision and dependable performance in tight spaces.
Contact and Operation Details
1. Contact Arrangement: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Terminals 13–14: NO contact
- Terminals 21–22: NC contact
2. Terminals: 6.3 mm faston (quick connect) terminals for easy installation
- Operating Positions:
- Free Position (FP): 15.3 mm
- Operating Position (OP): 12.3 ± 0.5 mm
- Reset Position (RP): 14 ± 0.5 mm
- Actuating Force: Maximum 600 grams
Technical Specifications
The LSMS11 Industrial Limit Switch is engineered for long-term reliability and consistent performance in challenging environments.
| Specification | Value | Notes |
| Rated Operational Current (Ie) | AC15: 6A (24–400V, 50Hz) | |
| DC13: 10A at 24V DC; 5A at 48V DC; 1.5A at 110V DC; 0.6A at 230V DC | ||
| Thermal Current (Ith) | 16A | |
| Dielectric Strength | 2.0 KV AC | 2.0 KV AC |
| Mechanical Life | 1×10⁶ operations | 1×106 operations |
| Electrical Life | 1×10⁶ operations | 1×106 operations |
Construction and Environmental Details
- Housing & Plunger Material: Fire-retardant thermoplastic (UL94 V-0)
- Contact Material: Silver
- Operating Temperature: −20°C to +85°C
- Protection Rating: IP40 enclosure
- Mounting: Screw-type mounting
- Dimensions: 30 × 30 × 13 mm
Applications of LSMS11 Industrial Limit Switches
The ESSEN LSMS11 offers superior performance in areas where compactness and precision are key. It’s widely used in automation, safety, and control systems.
1. Door Interlocking Systems
Provides safe machine operation by ensuring that doors or safety barriers are properly closed before operation begins.
2. Automatic Control and Robotics
Ideal for use in automated production lines and robotic systems, the LSMS11 serves as a sensing device to detect motion limits or object positions.
3. Compact Machinery and Panels
Perfect for space-constrained machines, control panels, and packaging equipment where larger switches cannot fit.
4. Precision Position Sensing
Used to detect the start or end of motion travel in moving mechanisms, preventing overtravel and ensuring operational accuracy.
Conclusion
The ESSEN LSMS11 stands out among Industrial Limit Switches for its compact design, robust construction, and reliable operation. It’s a proven solution for automation, safety, and position sensing applications where space and precision are critical.
For industries looking for durable and efficient control components, the LSMS11 Industrial Limit Switch delivers exceptional performance and long service life.