https://www.bannerengineering.com/ca/en/products/machine-safety/safety-interlock-switches/magnet-style-safety-switches-si-mag-series.html
Magnetic Safety Switches
SI-MAG Series non-contact magnetic switches are a cost-effective solution minimizing device wear and tear, even in applications with persistent use.
magnetic safety switches
https://www.controldesign.com/directory/product/11321099/omron-automation-and-safety-machine-safety-omron-rfid-magnetic-locking-safety-switches
Machine Safety: Omron RFID magnetic locking safety switches | Control Design
The STI brand of D40ML RFID magnetic locking safety switch combines magnetic locking with RFID technology to deliver high holding force and tamper resistance,...
machine safetycontrol designomronrfidmagnetic