Commercial Duty Swimming Pool Motors General Specifications: Cast iron NEMA 56 C face mounting face or aluminum as noted. Mechanical bearing lock-shaft-end. Fully enclosed endbell at switch-end. Protected "double contact" starting switch with dual contact switch circuit providing maximum starting dependability. Reliable, field proven, corrosion resistant rotating switch. Stator impregnated with extra heavy varnish system. High temperature copper magnet wire providing extended motor life. "Low voltage" run capabilities. "Super Hush" flow-through ventilation system (exhaust shaft-end). Gaskets supplied under conduit cover and capacitor case giving added environmental protection. 1/2" NPT pipe tap supplied in "built-in" conduit box. Grounding provisions inside terminal panel plus external provision. High overload capacities provided by service factor. Shaft Material: Keyed shafts are made of carbon steel. Threaded shafts are 303 stainless steel. Shafts are CW rotation, facing lead end. Bearings: 304 Double-sealed ball bearing, shaft-end; 203 Double-shielded ball bearing, switch-end. Terminal Boards: 1/4" quick connects (keyed shaft motors are reversible). U.L. and C.S.A. Recognized: Motor components (UL File No. #57948). Class "B" insulation system (UL File No. E55555). Thermal protector/winding combination (UL No. E56955) through 1 HP. C.S.A. listed through 1 HP (Report No. LR33543).