600 Volt 5 Amp Continuous Duty Rated (See "Contact Electrical Ratings" Table Below), NEMA 7-9 Rated Diecast Aluminum Enclosure, Surface Mount Only, Maintained Contacts (Standard) (See Note 1 and "Contacts Symbol (C.S.) Diagrams" below), CONTACTS INCLUDED, 1/2 - 1/4 NPT Threaded Opening on Botton Only for 1/2" Pipe, Choice of 11 Standard Legend Models, Specific Legend Model also available (Specify), Operator Inscriptions: Green ON/Red OFF (Standard), UL LISTED