Description
Electric Motors
| Frame | W56 |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 2 |
| Frequency | 60 Hz |
| Rated speed | 3435 rpm |
| Slip | 4.58 % |
| Rated voltage | 575 V |
| Rated current | 1.20 A |
| L. R. Amperes | 10.6 A |
| LRC | 8.8x(Code M) |
| No load current | 0.638 A |
| Rated torque | 1.51 ft.lb |
| Locked rotor torque | 360 % |
| Breakdown torque | 380 % |
| Locked rotor time | 18s (cold) 10s (hot) |
| Moment of inertia (J) | 0.0254 sq.ft.lb |
|---|---|
| Insulation Class | F |
| Service factor | 1.15 |
| 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 | 65.0 dB(A) |
| Approx. weight³ | 21.6 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% |
|---|---|---|
| 74.0 | 77.0 | 78.5 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.63 | 0.75 | 0.80 |
Features
| Frame Material | Rolled Steel |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Main terminal box hole | 0.881″ |
| Terminal Block | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | Only primer |
| Grounding Lugs | Single |
| Fan Cover material | Plastic |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | No-Without Bearing Cap |
| Bolt Material | Carbon Steel |
| Balancing Method | Not Balanced |
| Drip Cover | Without |
| Resilient Base | Without |
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