| MODEL NO. | CATALOG NO. | PHASE | TYPE | FRAME |
| DR79 | D25P3D | 3 | DE | 324T |
| ORDER NO. | 21973 | LINE NO. |
| MPI: | 144023 | 144024 | 144025 | 144026 | 144027 |
| HP: | 25 | 25 | 25 | 25 | 25 |
| POLES: | 6 | 6 | 6 | 6 | 6 |
| VOLTS: | 460 | 230 | 208 | 380 | 190 |
| HZ: | 60 | 60 | 60 | 50 | 50 |
| SERVICE FACTOR: | 1.15 | 1.15 | 1.15 | 1.15 | 1.15 |
| EFFICIENCY (%): | |||||
| S.F. | 92.3 | 92.3 | 90.3 | 88.5 | 88.5 |
| FULL | 93 | 93 | 91.7 | 90.5 | 90.5 |
| 3/4 | 93.9 | 93.9 | 93.2 | 92.7 | 92.7 |
| 1/2 | 93.9 | 93.9 | 93.8 | 93.7 | 93.7 |
| 1/4 | 91.5 | 91.5 | 92.1 | 92.7 | 92.7 |
| POWER FACTOR (%): | |||||
| S.F. | 86.6 | 86.6 | 85.4 | 85.9 | 85.9 |
| FULL | 86.4 | 86.4 | 86.2 | 86.6 | 86.6 |
| 3/4 | 84.4 | 84.4 | 85.8 | 86.2 | 86.2 |
| 1/2 | 78.3 | 78.3 | 81.6 | 81.9 | 81.9 |
| 1/4 | 60.1 | 60.1 | 66.6 | 66.3 | 66.3 |
| NO LOAD | 5.3 | 5.3 | 5.8 | 4.9 | 4.9 |
| LOCKED ROTOR | 41.1 | 41.1 | 39.9 | 44 | 44 |
| AMPS: | |||||
| S.F. | 34 | 67 | 77 | 43 | 86 |
| FULL | 29.1 | 58 | 65 | 36 | 73 |
| 3/4 | 22.2 | 44 | 49 | 26.6 | 53 |
| 1/2 | 15.9 | 32 | 34 | 18.5 | 37 |
| 1/4 | 10.6 | 21.3 | 21.1 | 11.5 | 23.1 |
| NO LOAD | 8.3 | 16.6 | 14.9 | 8.2 | 16.4 |
| LOCKED ROTOR | 185.9 | 371.8 | 326.7 | 173.8 | 346.5 |
| NEMA CODE LETTER | G | G | E | E | E |
| NEMA DESIGN LETTER | B | B | # | # | # |
| FULL LOAD RPM | 1185 | 1185 | 1180 | 975 | 975 |
| NEMA NOMINAL / EFFICIENCY (%) | 93 | 93 | 91.7 | 90.5 | 90.5 |
| GUARANTEED EFFICIENCY (%) | 91.7 | 91.7 | 90.2 | 88.5 | 88.5 |
| MAX KVAR | 5.6 | 5.6 | 4.6 | 4.6 | 4.6 |
| AMBIENT (°C) | 40 | 40 | 40 | 40 | 40 |
| ALTITUDE (FASL) | 3300 | 3300 | 3300 | 3300 | 3300 |
| SAFE STALL TIME-HOT (SEC) | 30 | 30 | 30 | 30 | 30 |
| SOUND PRESSURE (DBA @ 1M) | 58 | 58 | 58 | 54 | 54 |
| TORQUES: | |||||
| BREAKDOWN{% F.L.} | 234 | 234 | 187 | 186 | 186 |
| LOCKED ROTOR{% F.L.} | 184 | 184 | 141 | 144 | 144 |
| FULL LOAD{LB-FT} | 110.9 | 110.9 | 111.4 | 134.3 | 134.3 |
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. | ||
