AO Smith Century C723A E-Plus 1/3 HP 1140 RPM 208-230V Motor

AO Smith / Century C723A E-Plus 48Y Frame Direct Drive Motor, 1/3 HP, 1140 RPM, 208-230V, TEAO

The AO Smith / Century C723A (E-Plus Series) is a heavy-duty 1/3 HP direct-drive motor engineered for industrial transformer cooling fans, heat exchangers, and specialized HVAC equipment. Operating on 208-230V single-phase power at 1140 RPM, this Permanent Split Capacitor (PSC) motor features a robust 48Y NEMA frame, Totally Enclosed Air-Over (TEAO) enclosure, rigid base mounting, and double-sealed ball bearings for dependable continuous-duty operation.

Key Specifications

• Part / Model Number: C723A (Catalog / UC723)
• Brand / Manufacturer: AO Smith / Century (Regal Rexnord)
• Horsepower: 1/3 HP
• Speed: 1140 RPM
• Voltage: 208-230 Volts AC
• Amperage: 2.4 Amps (Full Load)
• Phase: Single Phase (1 Ph)
• Frequency: 60 Hz
• Frame Size: 48Y Frame
• Enclosure Type: TEAO (Totally Enclosed Air-Over) / Enclosed Air-Over
• Bearings: Double-Sealed Ball Bearings
• Shaft Specifications: Keyed Shaft
• Mounting Type: Rigid Base with Extended Thru-Bolts
• Rotation: Reversible
• Insulation Class: Class B Insulated
• Thermal Protection: Automatic Protector (Auto Reset)

Product Features & Fitment

Constructed with a rugged rolled steel shell and double-sealed ball bearings, the Century C723A is designed to withstand demanding outdoor and industrial environments. Its Totally Enclosed Air-Over (TEAO) enclosure ensures that internal windings remain protected from ambient dust and moisture when cooled by an external airstream. Featuring a rigid base mount, extended thru-bolts, and a reversible rotation design, it provides seamless replacement capability for utility substation transformers and industrial cooling fans.