Nidec-US Motors 5644 Motor
The Nidec US Motors 5644 is a professional-grade 3/4 HP HVAC replacement motor designed for direct-drive blower applications and industrial air handlers requiring 460V power. This 1050 RPM motor features a generic 48Y frame with a 5.6-inch diameter, providing a versatile footprint for standard mounting brackets. Engineers and contractors rely on its OAO (Open Air Over) enclosure, which utilizes system airflow to maintain optimal thermal operating conditions during continuous-duty cycles. Built with high-grade ball bearings and an electronic overload protection system, this motor is engineered to handle the axial and radial loads common in commercial ventilation. The lead-end reversible rotation and single-shaft design ensure this unit serves as a precise direct replacement motor for various OEM specifications, minimizing field modifications and downtime. With its combination of high voltage efficiency and reliable torque output, the 5644 remains a staple for maintaining high-static pressure systems.
Key Benefits for Contractors
- OEM Compatibility: Standard 48Y frame and 5.6" diameter ensure fitment in broad HVAC and air handler brands.
- Installation Versatility: Reversible rotation allows for field adjustment to match specific fan or blower requirements.
- Enhanced Durability: Dual ball bearing construction supports long-term operation in horizontal or vertical shaft-down orientations.
- Internal Protection: Integrated electronic overload protects the windings against voltage spikes and localized overheating.
- Voltage Specificity: Optimized for 460V three-phase or single-phase industrial power supplies depending on specific control wiring.
Common Technical Questions
What is the frame size and mounting of the US Motors 5644?
The motor utilizes a 48Y frame (5.6-inch diameter), which is standard for many direct-drive fan applications. It typically features a resilient base or can be mounted via belly-band brackets depending on the existing housing.
Is this motor suitable for outdoor condenser units?
No, this is an OAO enclosure motor. It is designed for indoor air-over applications where it is shielded from the elements and cooled by the moving air of the blower it is driving.
Can the rotation be changed in the field?
Yes, the 5644 is designed with reversible rotation, allowing technicians to swap leads to achieve either clockwise or counter-clockwise rotation to match the original equipment's fan pitch.
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.
Original: $366.57
-65%$366.57
$128.30Nidec-US Motors 5644 Motor
The Nidec US Motors 5644 is a professional-grade 3/4 HP HVAC replacement motor designed for direct-drive blower applications and industrial air handlers requiring 460V power. This 1050 RPM motor features a generic 48Y frame with a 5.6-inch diameter, providing a versatile footprint for standard mounting brackets. Engineers and contractors rely on its OAO (Open Air Over) enclosure, which utilizes system airflow to maintain optimal thermal operating conditions during continuous-duty cycles. Built with high-grade ball bearings and an electronic overload protection system, this motor is engineered to handle the axial and radial loads common in commercial ventilation. The lead-end reversible rotation and single-shaft design ensure this unit serves as a precise direct replacement motor for various OEM specifications, minimizing field modifications and downtime. With its combination of high voltage efficiency and reliable torque output, the 5644 remains a staple for maintaining high-static pressure systems.
Key Benefits for Contractors
- OEM Compatibility: Standard 48Y frame and 5.6" diameter ensure fitment in broad HVAC and air handler brands.
- Installation Versatility: Reversible rotation allows for field adjustment to match specific fan or blower requirements.
- Enhanced Durability: Dual ball bearing construction supports long-term operation in horizontal or vertical shaft-down orientations.
- Internal Protection: Integrated electronic overload protects the windings against voltage spikes and localized overheating.
- Voltage Specificity: Optimized for 460V three-phase or single-phase industrial power supplies depending on specific control wiring.
Common Technical Questions
What is the frame size and mounting of the US Motors 5644?
The motor utilizes a 48Y frame (5.6-inch diameter), which is standard for many direct-drive fan applications. It typically features a resilient base or can be mounted via belly-band brackets depending on the existing housing.
Is this motor suitable for outdoor condenser units?
No, this is an OAO enclosure motor. It is designed for indoor air-over applications where it is shielded from the elements and cooled by the moving air of the blower it is driving.
Can the rotation be changed in the field?
Yes, the 5644 is designed with reversible rotation, allowing technicians to swap leads to achieve either clockwise or counter-clockwise rotation to match the original equipment's fan pitch.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Nidec US Motors 5644 is a professional-grade 3/4 HP HVAC replacement motor designed for direct-drive blower applications and industrial air handlers requiring 460V power. This 1050 RPM motor features a generic 48Y frame with a 5.6-inch diameter, providing a versatile footprint for standard mounting brackets. Engineers and contractors rely on its OAO (Open Air Over) enclosure, which utilizes system airflow to maintain optimal thermal operating conditions during continuous-duty cycles. Built with high-grade ball bearings and an electronic overload protection system, this motor is engineered to handle the axial and radial loads common in commercial ventilation. The lead-end reversible rotation and single-shaft design ensure this unit serves as a precise direct replacement motor for various OEM specifications, minimizing field modifications and downtime. With its combination of high voltage efficiency and reliable torque output, the 5644 remains a staple for maintaining high-static pressure systems.
Key Benefits for Contractors
- OEM Compatibility: Standard 48Y frame and 5.6" diameter ensure fitment in broad HVAC and air handler brands.
- Installation Versatility: Reversible rotation allows for field adjustment to match specific fan or blower requirements.
- Enhanced Durability: Dual ball bearing construction supports long-term operation in horizontal or vertical shaft-down orientations.
- Internal Protection: Integrated electronic overload protects the windings against voltage spikes and localized overheating.
- Voltage Specificity: Optimized for 460V three-phase or single-phase industrial power supplies depending on specific control wiring.
Common Technical Questions
What is the frame size and mounting of the US Motors 5644?
The motor utilizes a 48Y frame (5.6-inch diameter), which is standard for many direct-drive fan applications. It typically features a resilient base or can be mounted via belly-band brackets depending on the existing housing.
Is this motor suitable for outdoor condenser units?
No, this is an OAO enclosure motor. It is designed for indoor air-over applications where it is shielded from the elements and cooled by the moving air of the blower it is driving.
Can the rotation be changed in the field?
Yes, the 5644 is designed with reversible rotation, allowing technicians to swap leads to achieve either clockwise or counter-clockwise rotation to match the original equipment's fan pitch.
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.
