Regal Rexnord Century Motors C666V1 Fan and Blower Motor 3/4 HP 115/208-230V 1800 RPM 56 Frame

The Regal Rexnord Century Motors C666V1 is a versatile 3/4 horsepower fan and blower motor designed for reliable performance in HVAC applications, compressors, pumps, conveyors, and industrial blower systems. This single-phase capacitor start motor operates at 1800 RPM (1725 RPM full load) and features multi-voltage capability at 115/208-230V for flexible installation options.

Key Features:

• 3/4 HP capacitor start induction run motor with high starting torque
• Multi-voltage operation: 115/208-230V, 60Hz single phase
• 56 frame with open drip-proof (ODP) enclosure for ventilated cooling
• 5/8" x 1-7/8" keyed shaft for secure belt drive connections
• Permanently lubricated, double-sealed ball bearings for extended motor life
• Resilient cradle base mounting for reduced vibration
• Reversible rotation for versatile installation requirements
• 1.25 service factor for reliable continuous duty operation
• Class B insulation rated for ambient temperatures up to 70°C
• Rolled steel frame construction for durability

This motor delivers 5.4-5.5 amps at 208-230V or 11.0 amps at 115V and includes no thermal overload protection. The 6-1/2" diameter housing provides a compact footprint while maintaining robust performance. Suitable for both vertical and horizontal mounting configurations, the C666V1 offers easy rotation change for field adaptability.

Replaces: Century C666, Dayton 4K859, Marathon S114, and numerous A.O. Smith models including 311P059, 312P440, 312P484, 312P960, 317P429, 317P449, 327P126, RB1074, and C653.