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Omron Launches D41D Series High-Coded Non-contact Door Switch

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Omron Launches D41D Series High-Coded Non-contact Door Switch

Jun 27,2025
To prevent industrial safety accidents caused by human error, safety components must be used correctly to ensure that they play their due protective role.
In reality, some accidents are caused by intentional bypassing or tampering with safety guards or interlocks, even though these accidents were completely avoidable. Given the frequent occurrence of such problems in many countries and regions around the world, relevant regulations and standards are gradually strengthening tampering prevention requirements. Currently, many countries have adopted the EN ISO 14119:2013 standard, which clearly stipulates the measures to be taken to reduce the risk of interlock failures and is gradually becoming an internationally accepted safety specification.

Reduce the Risk of Interlock Failure and Ensure Safe Production Site

Omron D41D High Code Non-Contact Door Switch
Optimal tamper protection
Advanced RFID encoding minimizes the risk of tampering and human error.
Flexible installation on different types of guards
- Suitable for aluminum profiles as well as glass doors and panels.
- Suitable for removable, rotatable and sliding guards.
- Compact design and three types of actuators for narrow spaces and corners.
Reduced installation time through teach-in procedure and smart diagnostics
- Pairing is very intuitive and can be done in just 30 seconds through the teach-in procedure.
- Smart diagnostics through three-color LEDs including 11 possible modes to visualize different states.
Actuator has a large tolerance for guard misalignment
Long detection range and different actuation directions (front and thin side) to take guard misalignment into account.
Reduced wiring costs and maintained highest safety level through series connection
- Up to 30 sets can be wired in series without reducing the performance level (PL e).
- All switches in series can be paired at one time, reducing design and commissioning time.
Note: Some of the information in this article is referenced from Omron brand public information, which is intended to share industry technology and interpret products. The copyright belongs to the original company and will be deleted if infringed.

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