| MODEL NO. | CATALOG NO. | PHASE | TYPE | FRAME |
| BW48 | DH25S2BF | 3 | D | 256T |
| ORDER NO. | NA | LINE NO. |
| MPI: | 87421 | 330232 | 87422 | 330233 |
| HP: | 25 | 20 | 25 | 20 |
| 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 | 88.5 | 91 | 88.5 | 91 |
| 3/4 | 91.3 | 91.8 | 91.3 | 91.8 |
| 1/2 | 91.8 | 91.3 | 91.8 | 91.3 |
| 1/4 | 88.9 | 87.1 | 88.9 | 87.1 |
| POWER FACTOR (%): | ||||
| S.F. | ||||
| FULL | 81.7 | 80.3 | 81.7 | 80.3 |
| 3/4 | 79.6 | 76.2 | 79.6 | 76.2 |
| 1/2 | 72.3 | 66.4 | 72.3 | 66.4 |
| 1/4 | 51.9 | 45 | 51.9 | 45 |
| NO LOAD | 5.4 | 5.4 | 5.4 | 5.4 |
| LOCKED ROTOR | 46.7 | 46.7 | 46.7 | 46.7 |
| AMPS: | ||||
| S.F. | ||||
| FULL | 32 | 25.6 | 65 | 51 |
| 3/4 | 24.2 | 20.1 | 48 | 40 |
| 1/2 | 17.6 | 15.4 | 35 | 31 |
| 1/4 | 12.7 | 11.9 | 25.4 | 23.9 |
| NO LOAD | 10.8 | 10.8 | 21.5 | 21.5 |
| LOCKED ROTOR | 137 | 139.7 | 274 | 279.5 |
| NEMA CODE LETTER | D | G | D | G |
| NEMA DESIGN LETTER | # | # | # | # |
| FULL LOAD RPM | 1755 | 1770 | 1755 | 1770 |
| NEMA NOMINAL / EFFICIENCY (%) | 88.5 | 91 | 88.5 | 91 |
| GUARANTEED EFFICIENCY (%) | 86.5 | 89.5 | 86.5 | 89.5 |
| MAX KVAR | 7.3 | 7.3 | 7.3 | 7.3 |
| AMBIENT (°C) | 40 | 40 | 40 | 40 |
| ALTITUDE (FASL) | 3300 | 3300 | 3300 | 3300 |
| SAFE STALL TIME-HOT (SEC) | 30 | 21 | 30 | 21 |
| SOUND PRESSURE (DBA @ 1M) | 64 | 64 | 64 | 64 |
| TORQUES: | ||||
| BREAKDOWN{% F.L.} | 182 | 228 | 182 | 228 |
| LOCKED ROTOR{% F.L.} | 176 | 242 | 176 | 242 |
| FULL LOAD{LB-FT} | 74.9 | 59.4 | 74.9 | 59.4 |
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. | ||
