
Fasco UB574 Motor
The Fasco UB574 Motor is a high-efficiency 35-watt shaded pole motor engineered for demanding commercial refrigeration and ventilation applications. Operating at 115V with a clockwise (CW) rotation (shaft end), this unit serves as a direct OEM replacement motor for various evaporator and condenser fan assemblies. With a rated speed of 1550 RPM and a standard 3.3-inch diameter frame, the UB574 ensures consistent airflow and thermal dissipation in tight mechanical footprints. Contractors frequently specify this refrigeration fan motor for its reliable sleeve bearing design and thermally protected internal circuitry, which prevents windings from overheating during high-static pressure cycles. This motor features a standard double-foot mounting configuration, making it a versatile choice for field service technicians maintaining reach-in coolers, display cases, and exhaust systems. When diagnosing HVAC motor failure, the UB574 provides a drop-in solution that maintains system efficiency without requiring extensive bracket modifications.
Key Performance Benefits
- High-Torque Output: Optimized 35-watt performance specifically tuned for 115V commercial refrigeration duty.
- Universal 3.3" Frame: Standardized diameter ensures compatibility with a wide range of OEM fan blades and mounting brackets.
- Thermal Protection: Integrated automatic reset thermal protector prevents motor burnout during voltage fluctuations or restricted airflow.
- Durable Construction: Features high-grade sleeve bearings and a specialized shaft finish to resist corrosion in high-moisture environments.
- Quiet Operation: Precision-balanced rotor minimizes vibration and acoustic noise in occupied commercial spaces.
Common Installation Questions
What is the shaft rotation for the Fasco UB574?
This motor is configured for Clockwise (CW) rotation as viewed from the shaft end. Always verify the pitch of your existing fan blade before installation to ensure proper airflow direction.
Can this motor replace a lower wattage shaded pole motor?
In most 115V applications, the Fasco UB574 35W motor can replace lower wattage units of the same frame size, provided the RPM and rotation match. The increased wattage capability often results in cooler operation and improved longevity.
Is the UB574 compatible with variable speed controllers?
As a shaded pole motor, the UB574 is generally designed for single-speed operation. While it may function with certain triac-based controllers, performance is optimized for 1550 RPM constant speed applications.
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.
Fasco UB574 Motor
The Fasco UB574 Motor is a high-efficiency 35-watt shaded pole motor engineered for demanding commercial refrigeration and ventilation applications. Operating at 115V with a clockwise (CW) rotation (shaft end), this unit serves as a direct OEM replacement motor for various evaporator and condenser fan assemblies. With a rated speed of 1550 RPM and a standard 3.3-inch diameter frame, the UB574 ensures consistent airflow and thermal dissipation in tight mechanical footprints. Contractors frequently specify this refrigeration fan motor for its reliable sleeve bearing design and thermally protected internal circuitry, which prevents windings from overheating during high-static pressure cycles. This motor features a standard double-foot mounting configuration, making it a versatile choice for field service technicians maintaining reach-in coolers, display cases, and exhaust systems. When diagnosing HVAC motor failure, the UB574 provides a drop-in solution that maintains system efficiency without requiring extensive bracket modifications.
Key Performance Benefits
- High-Torque Output: Optimized 35-watt performance specifically tuned for 115V commercial refrigeration duty.
- Universal 3.3" Frame: Standardized diameter ensures compatibility with a wide range of OEM fan blades and mounting brackets.
- Thermal Protection: Integrated automatic reset thermal protector prevents motor burnout during voltage fluctuations or restricted airflow.
- Durable Construction: Features high-grade sleeve bearings and a specialized shaft finish to resist corrosion in high-moisture environments.
- Quiet Operation: Precision-balanced rotor minimizes vibration and acoustic noise in occupied commercial spaces.
Common Installation Questions
What is the shaft rotation for the Fasco UB574?
This motor is configured for Clockwise (CW) rotation as viewed from the shaft end. Always verify the pitch of your existing fan blade before installation to ensure proper airflow direction.
Can this motor replace a lower wattage shaded pole motor?
In most 115V applications, the Fasco UB574 35W motor can replace lower wattage units of the same frame size, provided the RPM and rotation match. The increased wattage capability often results in cooler operation and improved longevity.
Is the UB574 compatible with variable speed controllers?
As a shaded pole motor, the UB574 is generally designed for single-speed operation. While it may function with certain triac-based controllers, performance is optimized for 1550 RPM constant speed applications.
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 Fasco UB574 Motor is a high-efficiency 35-watt shaded pole motor engineered for demanding commercial refrigeration and ventilation applications. Operating at 115V with a clockwise (CW) rotation (shaft end), this unit serves as a direct OEM replacement motor for various evaporator and condenser fan assemblies. With a rated speed of 1550 RPM and a standard 3.3-inch diameter frame, the UB574 ensures consistent airflow and thermal dissipation in tight mechanical footprints. Contractors frequently specify this refrigeration fan motor for its reliable sleeve bearing design and thermally protected internal circuitry, which prevents windings from overheating during high-static pressure cycles. This motor features a standard double-foot mounting configuration, making it a versatile choice for field service technicians maintaining reach-in coolers, display cases, and exhaust systems. When diagnosing HVAC motor failure, the UB574 provides a drop-in solution that maintains system efficiency without requiring extensive bracket modifications.
Key Performance Benefits
- High-Torque Output: Optimized 35-watt performance specifically tuned for 115V commercial refrigeration duty.
- Universal 3.3" Frame: Standardized diameter ensures compatibility with a wide range of OEM fan blades and mounting brackets.
- Thermal Protection: Integrated automatic reset thermal protector prevents motor burnout during voltage fluctuations or restricted airflow.
- Durable Construction: Features high-grade sleeve bearings and a specialized shaft finish to resist corrosion in high-moisture environments.
- Quiet Operation: Precision-balanced rotor minimizes vibration and acoustic noise in occupied commercial spaces.
Common Installation Questions
What is the shaft rotation for the Fasco UB574?
This motor is configured for Clockwise (CW) rotation as viewed from the shaft end. Always verify the pitch of your existing fan blade before installation to ensure proper airflow direction.
Can this motor replace a lower wattage shaded pole motor?
In most 115V applications, the Fasco UB574 35W motor can replace lower wattage units of the same frame size, provided the RPM and rotation match. The increased wattage capability often results in cooler operation and improved longevity.
Is the UB574 compatible with variable speed controllers?
As a shaded pole motor, the UB574 is generally designed for single-speed operation. While it may function with certain triac-based controllers, performance is optimized for 1550 RPM constant speed applications.
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.












