Description
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1765 rpm |
| Slip | 1.94 % |
| Rated voltage | 208-230/460 V |
| Rated current | 53.3-48.2/24.1 A |
| L. R. Amperes | 368-333/166 A |
| LRC | 6.9x(Code H) |
| No load current | 17.2-20.0/10.0 A |
| Rated torque | 58.7 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 270 % |
| Locked rotor time | 27s (cold) 15s (hot) |
| Moment of inertia (J) | 3.10 sq.ft.lb |
|---|---|
| Design | B |
| Insulation Class | F |
| Service factor | 1.25 |
| Temperature rise | 80 K |
| Duty Cycle | Cont.(S1) |
| Starting Method | Direct On Line |
| Ambient temperature | -20°C to +40°C |
| Altitude | 1000 m.a.s.l. |
| Degree of Protection | IP55 |
| Enclosure | IC411 – TEFC |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 64.0 dB(A) |
| Approx. weight³ | 361 lb |
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 91.7 | 92.4 | 93.0 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.68 | 0.79 | 0.84 |
Reviews
There are no reviews yet.