Safety Limit Switches, Large Metal IEC, Full Sw Head & Body, Short Metal Roller Lever, 4 Circuits, Conduit Entry, Break Before Make, 2 Norm ally Closed Contacts, 2 Normally Open Contacts, Standard Contacts, 25C Low Temp Limit, 65C High Temp Limit, Spring Return, M20 Threads, 30 mm Large IEC Style Mounting