| MODEL NO. | CATALOG NO. | PHASE | TYPE | FRAME |
| BW51 | DH30S2BF | 3 | D | 284T |
| ORDER NO. | NA | LINE NO. |
| MPI: | 87445 | 330248 | 87446 | 330249 |
| HP: | 30 | 25 | 30 | 25 |
| POLES: | 4 | 4 | 4 | 4 |
| VOLTS: | 460 | 460 | 230 | 230 |
| HZ: | 60 | 60 | 60 | 60 |
| SERVICE FACTOR: | 1 | 1 | 1 | 1 |
| EFFICIENCY (%): | ||||
| S.F. | ||||
| FULL | 91 | 92.4 | 91 | 92.4 |
| 3/4 | 92.6 | 92.8 | 92.6 | 92.8 |
| 1/2 | 92.5 | 92.1 | 92.5 | 92.1 |
| 1/4 | 89.4 | 87.9 | 89.4 | 87.9 |
| POWER FACTOR (%): | ||||
| S.F. | ||||
| FULL | 84.8 | 83.7 | 84.8 | 83.7 |
| 3/4 | 82.7 | 80.2 | 82.7 | 80.2 |
| 1/2 | 76 | 71.6 | 76 | 71.6 |
| 1/4 | 56.6 | 50.9 | 56.6 | 50.9 |
| NO LOAD | 6.1 | 6.1 | 6.1 | 6.1 |
| LOCKED ROTOR | 40.2 | 40.2 | 40.2 | 40.2 |
| AMPS: | ||||
| S.F. | ||||
| FULL | 36 | 30 | 73 | 60 |
| 3/4 | 27.5 | 23.6 | 55 | 47 |
| 1/2 | 20 | 17.8 | 40 | 36 |
| 1/4 | 13.9 | 13.1 | 27.7 | 26.2 |
| NO LOAD | 11.1 | 11.1 | 22.3 | 22.3 |
| LOCKED ROTOR | 175 | 175 | 351 | 351 |
| NEMA CODE LETTER | E | G | E | G |
| NEMA DESIGN LETTER | # | # | # | # |
| FULL LOAD RPM | 1770 | 1775 | 1770 | 1775 |
| NEMA NOMINAL / EFFICIENCY (%) | 91 | 92.4 | 91 | 92.4 |
| GUARANTEED EFFICIENCY (%) | 89.5 | 91 | 89.5 | 91 |
| MAX KVAR | 7.5 | 7.5 | 7.6 | 7.6 |
| AMBIENT (°C) | 40 | 40 | 40 | 40 |
| ALTITUDE (FASL) | 3300 | 3300 | 3300 | 3300 |
| SAFE STALL TIME-HOT (SEC) | 30 | 28 | 30 | 28 |
| SOUND PRESSURE (DBA @ 1M) | 65 | 65 | 65 | 65 |
| TORQUES: | ||||
| BREAKDOWN{% F.L.} | 214 | 256 | 214 | 256 |
| LOCKED ROTOR{% F.L.} | 161 | 193 | 161 | 193 |
| FULL LOAD{LB-FT} | 89.1 | 73.9 | 89.1 | 73.9 |
NEMA Nominal and Guaranteed Efficiencies are up to 3,300 feet above sea level and 25 ° C ambient
| The Above Data Is Typical, Sinewave Power Unless Noted Otherwise | ||
| NIDEC MOTOR CORPORATION |
|
Nidec trademarks followed by the ® symbol are registered with the U.S. Patent and Trademark Office. | ||
