Verified specifications
| Horsepower | 20 HP |
|---|---|
| Speed | 1770 RPM |
| Voltage | 230/460V, three-phase, 60 Hz |
| Frame | 256T |
| Enclosure | TEFC |
| Full-load amps | 47 / 23.5A |
| Efficiency | 93.0% |
| Service factor | 1.15 |
| Mounting | Foot-mounted |
| Line | CORRO-DUTY GP TEFC — built for severe-duty / corrosive environments |
US Motors catalogs this line as “General Purpose Three Phase, TEFC, CORRO-DUTY NEMA Premium” — but the applications copy reads pulp & paper, mill & chemical, and process industries. We describe them honestly: GP TEFC built for severe-duty / corrosive environments.
Specs from the Nidec nameplate datapack. Dual-voltage 230/460V stock numbers stop at 20 HP — above that, the stock numbers are 460V-only.
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 US Motors models
- More US Motors modelsBrowse every US Motors model page we quote
- US Motors C5P2B5 HP, 1755 RPM, 184T TEFC CORRO-DUTY
- US Motors C10P2B10 HP, 1760 RPM, 215T TEFC CORRO-DUTY
- US Motors C25P2C25 HP, 1770 RPM, 284T TEFC CORRO-DUTY, 460V only
Need a US Motors C20P2B?
Send the nameplate off your failed unit. We'll confirm the match and quote the C20P2B or a verified equivalent with availability and lead time.
Quote this motor