the "Y" suffix indicates a manufacturer-specific mounting or shaft variation (typically a 5/8-inch keyed shaft) often found in Carrier HVAC units

This is a heavy-duty 1/2 HP condenser fan motor designed for 208-230Vac single-phase applications

The CS3AH16A24 is the recommended cross-reference for the "N" (standard) version

ensuring the fan operates within the "sweet spot" of the shroud for maximum static pressure and heat transfer efficiency

Versatile Application: Validated for use in Modine HC258

Trane MOT18999 Motor 30067439-890 the "Y" suffix indicates aThe Trane MOT18999 Motor is a high performance OEM solution engineered for critical HVAC applications, including air handlers and fan coil units. Operating at 115V with a reliable 1 20HP rating, this motor delivers a nominal speed of 1100 RPM. Its 4 speed capability provides contractors with precise control over system airflow, ensuring optimal thermal regulation and operational efficiency. Built with a robust Frame 48 chassis and stud mounting