Electric Motors
| Frame | 143/5JP |
|---|---|
| Output | 0.5 HP (0.37 kW) |
| Number of Poles | 2 |
| Frequency | 60 Hz |
| Rated speed | 3575 rpm |
| Slip | 0.69 % |
| Rated voltage | 208-230/460 V |
| Rated current | 1.90-2.93/1.47 A |
| L. R. Amperes | 44.3-68.3/34.3 A |
| LRC | 23.3x(Code T) |
| No load current | 1.21-1.40/0.700 A |
| Rated torque | 0.734 ft.lb |
| Locked rotor torque | 465 % |
| Breakdown torque | 545 % |
| Locked rotor time | 12s (cold) 7s (hot) |
| Moment of inertia (J) | 0.0522 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 | 69.0 dB(A) |
| Approx. weight³ | 50.7 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% |
|---|---|---|
| 36.5 | 48.9 | 57.7 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.96 | 0.95 | 0.95 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Main terminal box hole | NPT 3/4" |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | RAL 5009 207A (ISO 12944 - C2) |
| Grounding Lugs | Single |
| Fan Cover material | Steel |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
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