Century Motors ORM5484F Motor

When you're spec'ing a replacement for a Rheem 51-21542-01, the Century Motors ORM5484F is the professional-grade solution. This 1/8 HP condenser fan motor is engineered as a 4-in-1 HeatMaster replacement, offering high-temperature Class F insulation rated for 70°C ambient environments. The 825 RPM single-speed design ensures precise airflow for residential and light commercial condensing units. It features a totally enclosed air-over (TEAO) housing to lock out moisture and debris, while the 0.8-amp draw on a 208-230V circuit provides efficient operation. This 48Y frame motor includes a 1/2-inch x 6.5-inch shaft with double flats and all-angle sleeve bearings, allowing for flexible vertical or horizontal installation. With reversible rotation and removable drain plugs, this 5.6-inch diameter motor integrates seamlessly into diverse HVACR systems, ensuring a drop-in fit for contractors in the field.

• Multi-HP Versatility: Direct replacement for 1/8 hp and 1/15 hp applications, reducing inventory requirements.
• Extreme Temperature Rating: Built with 70°C ambient Class F insulation to prevent premature failure during peak summer loads.
• Simplified Installation: Features all-angle mounting, extended studs, and a reversible plug for rapid field setup.
• Weather Resistance: The totally enclosed design combined with removable drain plugs protects internal windings from environmental degradation.

What capacitor is required for the ORM5484F?
This motor requires a 5 MFD / 370V capacitor for proper startup and run torque. Always verify the capacitor rating when swapping out an OEM motor.

Is this a direct replacement for Rheem or Trane units?
Yes, the ORM5484F is a primary cross-reference for Rheem 51-21542-01 and various Trane MOT series motors, utilizing the standard 5 5/8 inch motor diameter and 48 frame configuration.

Can this motor be mounted shaft-up or shaft-down?
The all-angle sleeve bearings and integrated drain plugs allow for mounting at any angle, provided the plugs are positioned correctly to allow moisture to escape.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.