| MODEL NO. | CATALOG NO. | PHASE | TYPE | FRAME |
| C731 | U20L9C | 3 | UT | 256T |
| ORDER NO. | NA | LINE NO. |
| MPI: | 6838 | 6839 |
| HP: | 20 | 5 |
| POLES: | 4 | 8 |
| VOLTS: | 460 | 460 |
| HZ: | 60 | 60 |
| SERVICE FACTOR: | 1.15 | 1.15 |
| EFFICIENCY (%): | ||
| S.F. | 87.1 | 82.8 |
| FULL | 87.5 | 82.5 |
| 3/4 | 89.5 | 83.6 |
| 1/2 | 89 | 80.9 |
| 1/4 | 84.1 | 71.1 |
| POWER FACTOR (%): | ||
| S.F. | 88.5 | 64.3 |
| FULL | 87.6 | 61.6 |
| 3/4 | 84.5 | 54.2 |
| 1/2 | 77.2 | 42.4 |
| 1/4 | 58 | 26.6 |
| NO LOAD | 9.8 | 6.6 |
| LOCKED ROTOR | 55.5 | 45.9 |
| AMPS: | ||
| S.F. | 27.9 | 10.1 |
| FULL | 24.4 | 9.2 |
| 3/4 | 18.6 | 7.7 |
| 1/2 | 13.6 | 6.8 |
| 1/4 | 9.6 | 6.2 |
| NO LOAD | 7.8 | 6.1 |
| LOCKED ROTOR | 168 | 34 |
| NEMA CODE LETTER | H | F |
| NEMA DESIGN LETTER | # | # |
| FULL LOAD RPM | 1765 | 880 |
| NEMA NOMINAL / EFFICIENCY (%) | 87.5 | 82.5 |
| GUARANTEED EFFICIENCY (%) | 85.5 | 80 |
| MAX KVAR | 5.2 | 4.1 |
| AMBIENT (°C) | 40 | 40 |
| ALTITUDE (FASL) | 3300 | 3300 |
| SAFE STALL TIME-HOT (SEC) | 6 | 30 |
| SOUND PRESSURE (DBA @ 1M) | 75.1 | 69 |
| TORQUES: | ||
| BREAKDOWN{% F.L.} | 290 | 210 |
| LOCKED ROTOR{% F.L.} | 240 | 170 |
| FULL LOAD{LB-FT} | 59.4 | 29.8 |
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. | ||
