Description
The Century BN50V1 is a purpose-built two-speed pool and spa motor engineered for reliable, efficient performance in residential and light commercial aquatic applications. Designed as a direct replacement or upgrade motor, it delivers the power and flexibility needed to run pool pumps, spa jets, and water circulation systems with confidence.
Motor Overview
This motor operates at dual speeds — high speed for powerful circulation and low speed for energy-saving filtration — making it an ideal choice for variable-demand pool and spa systems. The 48Y frame ensures broad compatibility with standard pump housings, while the threaded shaft provides a secure, vibration-resistant connection to pump impellers.
Key Specifications
- Horsepower: 1-1/2 HP (high speed) / 1/4 HP (low speed)
- Speed: 2-Speed — 3450 RPM (high) / 1725 RPM (low)
- Voltage: 115V AC
- Amperage: 16.4A (high speed) / 4.4A (low speed)
- Frame: 48Y
- Shaft Type: Threaded
- Shaft Height: 3-1/2 inches
- Rotation: Counter-Clockwise (CCW) — Pump End
- Overload Protection: Automatic Overload Protector
Features & Benefits
- Two-speed operation reduces energy consumption during low-demand filtration cycles
- Automatic overload protector guards the motor against thermal damage and extends service life
- 48Y frame design provides wide compatibility with common pool pump brands and housings
- Threaded shaft ensures a positive, secure connection to pump assemblies
- CCW pump-end rotation matches standard pool pump configurations for drop-in replacement
- 3-1/2″ shaft height accommodates standard pump volute mounting dimensions
- Durable construction suited for the wet, chemical-laden environment of pool and spa installations
Typical Applications
- In-ground and above-ground pool circulation pumps
- Spa and hot tub jet pumps
- Water feature and fountain pumps requiring two-speed operation







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