Description
Electric Motors
| Frame | 324/6T |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1775 rpm |
| Slip | 1.39 % |
| Rated voltage | 208-230/460 V |
| Rated current | 131-118/59.2 A |
| L. R. Amperes | 812-734/367 A |
| LRC | 7.0x(Code H) |
| No load current | 40.5-47.0/23.5 A |
| Rated torque | 146 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 270 % |
| Locked rotor time | 19s (cold) 11s (hot) |
| Moment of inertia (J) | 9.16 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 | 66.0 dB(A) |
| Approx. weight³ | 599 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% |
|---|---|---|
| 93.0 | 94.1 | 94.5 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.66 | 0.77 | 0.83 |
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