The STI brand of D40ML RFID magnetic locking safety switch combines magnetic locking with RFID technology to deliver high holding force and tamper resistance, securing access to safety hazard areas. The combination of unique RFID coding with 32 million codes and a 316 stainless steel enclosure that supports clean-in-place applications offers tamper resistance for sanitary packaging lines and dirty environments. The embedded RFID noncontact switch complies with ISO 14119 for tamper resistance. Three enclosure types are available with different holding forces to suit most applications with connector or pre-wired options. Two switch sizes in plastic, die-cast metal and 316 stainless steel enclosures provide multiple holding force options.