Verified specifications
| Horsepower | 2 HP high / 0.25 HP low |
|---|---|
| Speed | 3450/1725 RPM (two-speed) |
| Voltage | 230V, single-phase, 60 Hz |
| Full-load amps | 10.5/2.6A |
| Service factor | 1.0 |
| Frame | 48Y (thru-bolt) |
| Enclosure | ODP |
| Motor type | Capacitor start |
| Rotation | CCWSE (verify on nameplate — unusual for pool motors) |
| Shaft | 1/2" threaded (3/8-16 UNC-2A) |
| Bearings | Ball bearings |
| Thermal protection | Automatic |
| Insulation | Class B |
| Mounting | Rigid base |
Pool-duty motors: match the total HP (HP × service factor) to your pump's requirements, and confirm full-rated vs up-rated before swapping.
Dual branding: this stock number is sold interchangeably as Century and A.O. Smith — the same Regal Rexnord motor. See the A.O. Smith BN51 page.
The 2 HP sibling of the Century BN62 (3/0.38 HP) — above-ground pool, spa, and jetted-tub duty.
Confirming the right replacement
Before we quote, compare these fields on your failed motor's nameplate. If any of them differ, send us a photo of the nameplate and we'll match it exactly rather than guessing:
- Full model number — including any suffix letters
- HP, RPM, and voltage
- Frame size (e.g. 284T) and enclosure (TEFC, ODP, etc.)
- Full-load amps
Other Century models
- More Century modelsBrowse every Century model page we quote
- A.O. Smith BN51Same stock number under A.O. Smith branding — identical motor
Need a Century BN51?
Send the nameplate off your failed unit. We'll confirm the match and quote the BN51 or a verified equivalent with availability and lead time.
Quote this motor