| MODEL NO. | CATALOG NO. | PHASE | TYPE | FRAME |
| FK50 | UJ20P1DM | 3 | UTE4 | 256JM |
| ORDER NO. | 24028 | LINE NO. |
| MPI: | 204677 | 204678 | 204679 | 204680 | 204681 |
| HP: | 20 | 20 | 20 | 20 | 20 |
| POLES: | 2 | 2 | 2 | 2 | 2 |
| VOLTS: | 460 | 230 | 208 | 380 | 190 |
| HZ: | 60 | 60 | 60 | 50 | 50 |
| SERVICE FACTOR: | 1.25 | 1.25 | 1.15 | 1 | 1 |
| EFFICIENCY (%): | |||||
| S.F. | 91.1 | 91.1 | 90.1 | ||
| FULL | 91.7 | 91.7 | 91 | 90.5 | 90.5 |
| 3/4 | 92.4 | 92.4 | 92 | 92.1 | 92.1 |
| 1/2 | 91.5 | 91.5 | 91.6 | 92.4 | 92.4 |
| 1/4 | 86.8 | 86.8 | 87.6 | 89.6 | 89.6 |
| POWER FACTOR (%): | |||||
| S.F. | 88.9 | 88.9 | 88.5 | ||
| FULL | 88.7 | 88.7 | 88.9 | 89.1 | 89.1 |
| 3/4 | 86.9 | 86.9 | 88.5 | 88.5 | 88.5 |
| 1/2 | 81.6 | 81.6 | 85.1 | 84.7 | 84.7 |
| 1/4 | 64.7 | 64.7 | 71.9 | 70.5 | 70.5 |
| NO LOAD | 10 | 10 | 11.5 | 8.7 | 8.7 |
| LOCKED ROTOR | 37.9 | 37.9 | 37.8 | 40.5 | 40.5 |
| AMPS: | |||||
| S.F. | 28.9 | 58 | 60 | ||
| FULL | 23 | 46 | 51 | 28.2 | 56 |
| 3/4 | 17.5 | 35 | 38 | 20.9 | 42 |
| 1/2 | 12.5 | 25.1 | 26.6 | 14.5 | 29 |
| 1/4 | 8.3 | 16.7 | 16.4 | 9 | 17.9 |
| NO LOAD | 6.1 | 12.2 | 10.7 | 6 | 12.1 |
| LOCKED ROTOR | 185.4 | 369.8 | 322.4 | 176.1 | 352.3 |
| NEMA CODE LETTER | J | J | G | G | G |
| NEMA DESIGN LETTER | A | A | B | B | B |
| FULL LOAD RPM | 3550 | 3550 | 3530 | 2930 | 2930 |
| NEMA NOMINAL / EFFICIENCY (%) | 91.7 | 91.7 | 91 | 90.5 | 90.5 |
| GUARANTEED EFFICIENCY (%) | 90.2 | 90.2 | 89.5 | 88.5 | 88.5 |
| MAX KVAR | 4.1 | 4.1 | 3.3 | 3.4 | 3.4 |
| AMBIENT (°C) | 40 | 40 | 40 | 40 | 40 |
| ALTITUDE (FASL) | 3300 | 3300 | 3300 | 3300 | 3300 |
| SAFE STALL TIME-HOT (SEC) | 15 | 15 | 21 | 19 | 19 |
| SOUND PRESSURE (DBA @ 1M) | 68 | 68 | 68 | 64 | 64 |
| TORQUES: | |||||
| BREAKDOWN{% F.L.} | 312 | 312 | 246 | 249 | 249 |
| LOCKED ROTOR{% F.L.} | 214 | 214 | 171 | 170 | 170 |
| FULL LOAD{LB-FT} | 29.6 | 29.6 | 29.7 | 35.9 | 35.9 |
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. | ||
