Description
Technical Data
Electric Motors
| Frame | 284T |
|---|---|
| Output | 25 HP (18.5 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1770 rpm |
| Slip | 1.67 % |
| Rated voltage | 230/460 V |
| Rated current | 59.0/29.5 A |
| L. R. Amperes | 372/186 A |
| LRC | 6.3x(Code G) |
| No load current | 20.8/10.4 A |
| Rated torque | 74.2 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 270 % |
| Locked rotor time | 59s (cold) 33s (hot) |
| Moment of inertia (J) | 3.71 sq.ft.lb |
|---|---|
| Design | B |
| Insulation Class | F |
| Service factor | 1.25 |
| Temperature rise | 80 K |
| Starting Method | Direct On Line |
| Duty Cycle | Cont.(S1) |
| Ambient temperature | -20°C to +40°C |
| Altitude | 1000 m.a.s.l. |
| Degree of Protection | IP23 |
| Enclosure | IC01 – ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 64.0 dB(A) |
| Approx. weight³ | 346 lb |
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 93.0 | 93.6 | 93.6 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.69 | 0.80 | 0.84 |
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