Safety interlock switches are stainless steel

OMEGA K-SS Series tongue operated safety interlock switches are designed to fit to the leading edge of sliding, hinged or lift off machine guards to provide positively operated switching contacts. Devices provide a choice of various actuators to aid installation and maintain durability, while providing robust position interlock detection for moving guards. Product has a rugged 316 stainless steel body and IP69K enclosure protection, designed to cope with the rigorous applications of the food processing, pharmaceutical, packaging and petrochemical industries. http://www.omega.ca/pptst/K-SS-Series.html