Regal Rexnord - Century Motors C663 Condenser Fan Motor 3/4 HP 1100 RPM 208-230/460V Single Phase

The Regal Rexnord - Century Motors C663 is a heavy-duty condenser fan motor engineered for outdoor HVAC applications. This 3/4 horsepower PSC (Permanent Split Capacitor) motor operates at 1100 RPM and is designed to deliver reliable performance in demanding commercial and residential cooling systems.

Key Specifications:

• Multi-voltage capability: 208-230/460V at 60Hz, 190/380V at 50Hz
• Current draw: 4.8/4.2/2.1 amps depending on voltage
• 56Z frame with open dripproof (ODP) enclosure
• 5/8" diameter x 4" shaft with CCW rotation (shaft end view)
• Motor diameter: 6-1/2" with cradle mounting
• Ball bearing construction with automatic thermal protector

Features and Benefits:

• Base-mounted design with resilient mounting for reduced vibration
• Reversible rotation capability, suitable for low ambient temperature operation up to 60°C
• Service factor: 1.00 with continuous duty cycle rating
• Includes capacitor and rain shield for outdoor protection
• Class B insulation for enhanced thermal protection
• Direct drive design provides consistent performance and efficient operation

The C663 serves as a direct replacement for multiple OEM part numbers including A.O. Smith 193140 and 193587, Emerson 2193 and K63HXDFK-3912, Liebert B-095D and KCP48TG181S, and Marathon X259, making it a versatile choice for service technicians and HVAC professionals. This motor is ideal for condenser fan applications in air conditioning units, refrigeration systems, and commercial cooling equipment.