Description
The US Motors 4137 is a purpose-built condenser fan motor engineered for reliable, long-service-life performance in commercial and residential HVAC condensing units. Designed as a Permanent Split Capacitor (PSC) motor, it delivers smooth, efficient operation with minimal electrical noise — making it an ideal direct replacement or upgrade for a wide range of condenser fan applications.
Motor Specifications
- Horsepower: 1/20 HP
- Voltage: 277 Vac
- Phase: Single Phase
- Speed: 1075 RPM
- Amperage: 0.55 Amps
- NEMA Frame Size: 42Y
- Motor Type: Permanent Split Capacitor (PSC)
Construction & Design Features
- Enclosure Type: Open (allows airflow for cooling)
- Bearing Type: SAB (Sleeve and Ball) — provides quiet operation and extended bearing life
- Mounting Style: Bracket Mount for secure, vibration-resistant installation
- 42Y NEMA frame ensures broad cross-compatibility with standard condenser fan mounting configurations
Application & Benefits
- Designed specifically for condenser fan duty in air conditioning and refrigeration equipment
- PSC motor design eliminates the need for a start capacitor, simplifying wiring and reducing component count
- 277Vac rating suits commercial building electrical systems where 277V single-phase power is standard
- Open enclosure promotes airflow and heat dissipation, extending motor life in outdoor condensing unit environments
- SAB bearing construction balances the low-friction benefits of sleeve bearings with the durability of ball bearings
- Bracket mount design allows for flexible positioning and straightforward field installation
Why Choose US Motors?
US Motors (a Nidec brand) is a trusted name in HVAC motor manufacturing, known for producing motors that meet or exceed OEM specifications. The 4137 is built to deliver consistent performance season after season, reducing downtime and service call frequency for contractors and facility managers alike.
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