Description
The Century 159A is a heavy-duty permanent split capacitor (PSC) blower motor engineered for reliable, efficient performance in forced-air HVAC applications. Designed as a direct replacement or upgrade motor for residential and light commercial air handlers, furnaces, and blower assemblies, the 159A delivers consistent airflow with minimal maintenance requirements.
Motor Overview
The Century 159A operates on a permanent split capacitor design, which provides smooth, quiet starting and running performance while maintaining high energy efficiency. Its reversible rotation makes it adaptable to a wide range of blower configurations without the need for additional hardware.
Electrical Specifications
- Voltage: 230-460 VAC
- Phase: Single Phase
- Amperage: 4.7 A (230V) / 2.4 A (460V)
- Speed: 1,075 RPM — 1 Speed
- Motor Type: Permanent Split Capacitor (PSC)
Mechanical Specifications
- Horsepower: 1 HP
- NEMA Frame Size: 48Y
- Enclosure: Semi Enclosed
- Bearing Type: Ball Bearing
- Shaft Size: 1/2″ diameter x 6″ length
- Rotation: Reversible
Key Features
- Permanent split capacitor design for quiet, efficient operation
- Ball bearing construction for long service life and reduced friction
- Semi-enclosed housing protects internal components from dust and debris
- Reversible rotation for flexible installation in multiple blower configurations
- 48Y NEMA frame ensures broad cross-compatibility with OEM and aftermarket blower assemblies
- Dual-voltage capability (230/460V) suits a wide range of system requirements
- 1/2″ x 6″ shaft accommodates standard blower wheel hubs
Applications
- Residential and commercial air handlers
- Forced-air furnace blower assemblies
- HVAC fan coil units
- General-purpose blower replacement applications







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