Safety Limit Switches, Large Metal IEC, Full Sw Head & Body, Adjustable Roller Lever, 2 Circuits, Conduit Entry, Snap Acting, 1 Normally O pen Contact, 1 Normally Closed Contact, Standard Contacts, 25C Low Temp Limit, 65C High Temp Limit, Spring Return, M20 Threads, 30mm Large IEC Style Mounting