Description
A.O. Smith Century BN50V1 1.5 HP 115V Two-Speed Replacement Motor
The BN50V1 from A.O. Smith Century is a purpose-built 1.5 HP motor designed for long-lasting performance in real-world equipment. Built on the trusted Century/A.O. Smith lineage and modern manufacturing discipline, it’s a reliable drop-in solution for residential, commercial, and light industrial applications.
- Horsepower: 1.5 HP for steady, capable torque across varying loads
- Voltage: 115V operation compatible with standard electrical systems
- Frame Size: 48-frame footprint for straightforward installation and fit
- Speed Configuration: Two-Speed (2-S) design to optimize performance under changing demands
- Replacement Type: Drop-in motor replacement engineered to align with Century/A.O. Smith equipment
- Brand Lineage: Developed within the Century/A.O. Smith tradition, supported by Regal-Beloit’s manufacturing standards
- Applications: Suitable for residential, commercial, and light industrial gear such as HVAC components, pumps, blowers, and small conveyors
The two-speed capability lets you tailor output to the actual load, improving process control and efficiency. A compact 48-frame design simplifies replacement in compatible systems, reducing downtime during service or refurbishments. With compatibility aligned to Century/A.O. Smith conventions, BN50V1 offers predictable integration for OEM refurbishments or aftermarket replacements across pool, spa, HVAC, and related equipment—delivering reliable power when you need it most.
A.O. Smith Century BN50V1 is a purpose-built motor replacement designed for long-lasting performance in real-world equipment. Combining the trusted Century/Motor lineage with modern manufacturing discipline, this 1.5 HP unit is ready to handle demanding residential, commercial, and industrial applications.
Key specifications at a glance:
- Model: BN50V1 (Century/A.O. Smith)
- Horsepower: 1.5 HP
- Voltage: 115V
- Frame size: 48
- Speed configuration: 2-S (two-speed)
- Type: Replacement motor designed to fit Century and A.O. Smith systems
Why this motor stands out
- Built on the Century and A.O. Smith legacy, with Regal-Beloit’s continued commitment to high standards since 2011. If your equipment was designed around Century or A.O. Smith motors, BN50V1 is engineered to align with that legacy of reliability.
- Two-speed versatility: The 2-S configuration lets you optimize performance for varying load conditions—perfect for fans, pumps, blowers, and other equipment where speed adjustments can improve process control and response to changing demands.
- Compact, drop-in replacement: With a 48-frame footprint and 115V operation, this motor is well-suited for direct or straightforward replacements in compatible gear, reducing downtime and simplifying service calls.
- Broad applicability: Designed to support a wide range of residential, commercial, and industrial equipment, from HVAC components to industrial conveyors and auxiliary motors that rely on consistent, dependable power.
What this means for your equipment and downtime
- Predictable performance: You get stable torque delivery and dependable operation across a two-speed range, helping to maintain process stability and comfort in climate-control applications.
- Improved system flexibility: The two-speed design allows you to tailor motor output to the actual load, potentially reducing energy use when full power isn’t necessary and extending equipment life by smoothening starts and stops.
- Ease of integration: Built to align with Century/A.O. Smith naming and mounting conventions, BN50V1 simplifies sourcing and compatibility for replacement projects or OEM refurbishments.
Ideal use cases
- HVAC blowers and fans requiring stable operation with adjustable speeds
- Pumps and small conveying systems in light industrial settings
- Commercial equipment that benefits from a reliable, two-speed drive to match task demand
In short, the BN50V1 is more than a motor—it’s a proven, resilient solution born from decades of expertise in electric motors. If you’re searching for a trusted replacement that aligns with Century and A.O. Smith standards and provides flexible speed control for a range of equipment, this 1.5 HP, 115V, 48-frame, two-speed motor is built to meet the challenge.

