Description
Century B121 Pool Pump Induction Motor
The Century B121 is a purpose-built permanent split capacitor (PSC) induction motor engineered for reliable pool and spa pump applications. Its rugged S56C frame construction, drip-proof enclosure, and ball bearing design deliver long-lasting performance in demanding outdoor environments.
Electrical Specifications
- Voltage: 230/115V AC
- Phase: Single Phase
- Amperage: 6.0 A (230V) / 12.0 A (115V)
- Motor Type: Permanent Split Capacitor (PSC)
Performance Specifications
- Horsepower: 3/4 HP
- Speed: 3450 RPM
- Number of Speeds: 1
Mechanical Specifications
- Frame Size: S56C
- Enclosure: Drip Proof
- Bearing Type: Ball Bearing
- Shaft Diameter: 5/8″
- Shaft Rotation: CCW (Counter-Clockwise) at Pump End
- Mounting Style: Round Mounting
Key Features
- Permanent split capacitor design for smooth, efficient starting and running
- Ball bearings for reduced friction and extended motor life
- Drip-proof enclosure protects against moisture and debris
- Dual-voltage capability (230/115V) for flexible installation
- S56C frame ensures direct replacement compatibility with standard pool pump assemblies
- CCW pump-end rotation matched to common pool pump requirements
- Round mounting base for easy, secure installation
Application
The Century B121 is ideal as a direct replacement motor for residential and light commercial pool and spa pumps. Its dual-voltage wiring flexibility, standard S56C frame, and 5/8″ shaft make it a drop-in fit for a wide range of pump brands and models.
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