The Safety Sensors by Schmersal are engineered to provide contactless monitoring of safety guards and machine access points, ensuring that machines operate only when all safety conditions are met. Unlike traditional electromechanical switches, these sensors work without physical contact, using electronic or magnetic communication between a sensor and a target (actuator).
When the actuator is detected by the sensor, the safety circuit is enabled, allowing machine operation. If the guard is opened or the actuator moves out of range, the system immediately interrupts the safety circuit, ensuring safe machine shutdown.
These sensors are particularly advantageous in environments where dust, dirt, vibration, or hygiene requirements make conventional mechanical switches less reliable. Their non-contact operation eliminates mechanical wear, resulting in long service life and minimal maintenance.
Schmersal safety sensors are available in electronic (RFID-based) and magnetic variants, offering different levels of coding and tamper protection. Advanced models provide individual coding, high tolerance to misalignment, and integrated diagnostics, making them ideal for modern automation systems.
With support for series wiring, real-time diagnostics, and integration into safety control systems, these sensors help simplify installation while improving system transparency and reliability.
Built with robust industrial materials and high protection ratings, Schmersal safety sensors are designed to perform reliably even in harsh operating conditions, ensuring consistent safety performance across a wide range of applications.
Key Features & Specifications
• Non-contact safety detection for guard and door monitoring
• No mechanical wear → long service life and low maintenance
• Magnetic and electronic (RFID) sensor options
• High tolerance to misalignment for flexible installation
• Tamper protection with individual coding (RFID variants)
• Integrated diagnostics and status monitoring
• Series wiring capability to reduce installation effort
• Insensitive to dust, dirt, and harsh environments
• High repeat accuracy of switching points
• Fault detection (wire breakage, cross-short monitoring)
• High safety performance (up to PL e / SIL 3 depending on system)
• Compatible with safety relays, controllers, and PLC systems
Applications
Safety Sensors by Schmersal are widely used in:
• Machine guard and safety door monitoring
• Industrial automation and production lines
• Packaging and food processing machinery (hygiene environments)
• Conveyor and material handling systems
• Robotics and automated work cells
• Hazardous areas requiring non-contact safety solutions
The Safety Sensors by Schmersal provide a durable, tamper-resistant, and maintenance-free safety solution, enabling reliable guard monitoring, improved machine availability, and enhanced operator protection in modern industrial automation environments.
