| MODEL NO. | CATALOG NO. | PHASE | TYPE | FRAME |
| FP91 | D20P2D | 3 | DE | 256T |
| ORDER NO. | 24497 | LINE NO. |
| MPI: | 251959 | 251960 | 251961 | 251962 | 251963 |
| HP: | 20 | 20 | 20 | 20 | 20 |
| POLES: | 4 | 4 | 4 | 4 | 4 |
| VOLTS: | 460 | 230 | 208 | 380 | 190 |
| HZ: | 60 | 60 | 60 | 50 | 50 |
| SERVICE FACTOR: | 1.15 | 1.15 | 1.15 | 1 | 1 |
| EFFICIENCY (%): | |||||
| S.F. | 92.4 | 92.4 | 90.7 | ||
| FULL | 93 | 93 | 91.7 | 90.8 | 90.8 |
| 3/4 | 94 | 94 | 93.6 | 92.9 | 92.9 |
| 1/2 | 93.8 | 93.8 | 94 | 93.8 | 93.8 |
| 1/4 | 91 | 91 | 92.1 | 92.3 | 92.3 |
| POWER FACTOR (%): | |||||
| S.F. | 85.9 | 85.9 | 85.4 | ||
| FULL | 85.5 | 85.5 | 86.1 | 86.2 | 86.2 |
| 3/4 | 83.2 | 83.2 | 85.8 | 85.4 | 85.4 |
| 1/2 | 76.3 | 76.3 | 81.9 | 80.7 | 80.7 |
| 1/4 | 56.8 | 56.8 | 66.7 | 63.7 | 63.7 |
| NO LOAD | 5.3 | 5.3 | 6 | 5 | 5 |
| LOCKED ROTOR | 47.2 | 47.2 | 46.4 | 48.6 | 48.6 |
| AMPS: | |||||
| S.F. | 27.1 | 54 | 61 | ||
| FULL | 23.6 | 47 | 52 | 29 | 58 |
| 3/4 | 18 | 36 | 39 | 21.4 | 43 |
| 1/2 | 13.1 | 26.2 | 26.9 | 15 | 29.9 |
| 1/4 | 9.1 | 18.1 | 16.9 | 9.6 | 19.3 |
| NO LOAD | 7.3 | 14.5 | 11.8 | 7.1 | 14.2 |
| LOCKED ROTOR | 149 | 297 | 261 | 137 | 273 |
| NEMA CODE LETTER | G | G | E | E | E |
| NEMA DESIGN LETTER | B | B | B | # | # |
| FULL LOAD RPM | 1775 | 1775 | 1765 | 1465 | 1465 |
| NEMA NOMINAL / EFFICIENCY (%) | 93 | 93 | 91.7 | 90.8 | 90.8 |
| GUARANTEED EFFICIENCY (%) | 91.7 | 91.7 | 90.2 | 88.5 | 88.5 |
| MAX KVAR | 4.9 | 4.9 | 3.6 | 4 | 4 |
| AMBIENT (°C) | 40 | 40 | 40 | 40 | 40 |
| ALTITUDE (FASL) | 3300 | 3300 | 3300 | 3300 | 3300 |
| SAFE STALL TIME-HOT (SEC) | 28 | 28 | 30 | 30 | 30 |
| SOUND PRESSURE (DBA @ 1M) | 64 | 64 | 64 | 60 | 60 |
| TORQUES: | |||||
| BREAKDOWN{% F.L.} | 248 | 248 | 195 | 196 | 196 |
| LOCKED ROTOR{% F.L.} | 245 | 245 | 192 | 183 | 183 |
| FULL LOAD{LB-FT} | 59.2 | 59.2 | 59.5 | 71.8 | 71.8 |
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. | ||
