Baldor Electric Company AC717339 Industrial Motor

The Baldor-Reliance M7031A is a 0.75 HP explosion‑proof general‑purpose AC motor designed for hazardous locations, delivering 1,140 RPM at 60 Hz in a TEFC frame 56 with XPFC endplates and F1 mounting. It operates on three‑phase 208–230/460 V power, drawing 3 A at 208–230 V, 2.8 A at 230 V, or 1.4 A at 460 V, and starts Direct on Line. The motor’s overall length is 15.17 inches, with a shaft diameter of 0.625 inches and a pulley‑end shaft extension, and its shaft rotation is reversible. Rated at 40°C ambient, it carries a service factor of 1.00, NEMA nominal efficiency of 77%, and a power factor of 63. The bearing system uses Polyrex EM grease suitable for temperatures from -20°F to +300°F, and the winding provides automatic thermal overload protection. Electrical terminations are provided by flying leads across 12 leads of 18 AWG. The nameplate specifies SPEC 35E354Y25, catalog number M7031A, and the motor is identified as a Class I, Group D; Class II, Groups F and G hazardous‑location design, Division I unit. This model is listed as discontinued in Baldor’s catalogs, yet remains a common reference in replacement parts and archival listings for explosion‑proof, pre‑engineered Baldor motors.