Schneider Electric,INTERLOCK SWITCH 300VAC 10AS XCSL,(1) 0.5 Inch NPT (Conduit Entrance) Screw Clamp,-13...158 °F,1 N.O.(staggered)/2 N.C.,10 A,3-Pole,300VAC,IP67,Key,NPT conduit entry 0.5 in,Safety Interlock Switch,UL Listed File Number E164353 CCN NKCR - CSA Certified File Number LR4408794 Class 3