Description
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 230/460//190-220/380-415 V |
| Number of poles | 6 |
| Degree of Protection | IP55 |
| Synchronous speed | 1200 rpm |
| Output rating | 1 HP |
| Mounting | W-6 |
| Flange | C |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 143/5TC |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 6 |
| Frequency | 60 Hz |
| Rated speed | 1145 rpm |
| Slip | 4.58 % |
| Rated voltage | 230/460 V |
| Rated current | 3.32/1.66 A |
| L. R. Amperes | 20.9/10.5 A |
| LRC | 6.3x(Code K) |
| No load current | 2.15/1.08 A |
| Rated torque | 4.59 ft.lb |
| Locked rotor torque | 270 % |
| Breakdown torque | 320 % |
| Locked rotor time | 55s (cold) 31s (hot) |
| Moment of inertia (J) | 0.1037 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Temperature rise | 80 K |
| Service factor | 1.15 (1.00 @ 208V) |
| 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 50.0 dB(A) |
| Approx. weight³ | 37.1 lb |
Efficiency
| 50% | 77.0 |
|---|---|
| 75% | 80.0 |
| 100% | 80.0 |
Power factor
| 50% | 0.49 |
|---|---|
| 75% | 0.62 |
| 100% | 0.71 |
Electric Motors
| Frame | 143/5TC |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 920 rpm |
| Slip | 8.00 % |
| Rated voltage | 190-220/380 V |
| Rated current | 3.76-3.25/1.88 A |
| L. R. Amperes | 18.0-15.6/9.02 A |
| LRC | 4.8x(Code G) |
| No load current | 2.12-1.83/1.06 A |
| Rated torque | 5.71 ft.lb |
| Locked rotor torque | 210 % |
| Breakdown torque | 229 % |
| Locked rotor time | 0s (cold) 0s (hot) |
| Moment of inertia (J) | 0.1037 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.15 (1.00 @ 208V) |
| Temperature rise | 105 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 47.0 dB(A) |
| Approx. weight³ | 37.1 lb |
Efficiency
| 50% | 78.4 |
|---|---|
| 75% | 79.5 |
| 100% | 77.7 |
Power factor
| 50% | 0.57 |
|---|---|
| 75% | 0.70 |
| 100% | 0.78 |
Electric Motors
| Frame | 143/5TC |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 940 rpm |
| Slip | 6.00 % |
| Rated voltage | 415 V |
| Rated current | 1.84 A |
| L. R. Amperes | 10.3 A |
| LRC | 5.6x(Code J) |
| No load current | 1.23 A |
| Rated torque | 5.59 ft.lb |
| Locked rotor torque | 270 % |
| Breakdown torque | 280 % |
| Locked rotor time | 0s (cold) 0s (hot) |
| Moment of inertia (J) | 0.1037 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.15 (1.00 @ 208V) |
| Temperature rise | 105 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 47.0 dB(A) |
| Approx. weight³ | 37.1 lb |
Efficiency
| 50% | 76.1 |
|---|---|
| 75% | 79.0 |
| 100% | 78.8 |
Power factor
| 50% | 0.50 |
|---|---|
| 75% | 0.63 |
| 100% | 0.72 |
Features
| Frame Material | Rolled Steel |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Main terminal box hole | 1.118" |
| Terminal Block | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | Munsell N 1 - Matte 207N (ISO 12944 - C2) |
| Grounding Lugs | Single |
| Fan Cover material | Industrial polymer |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Bolt Material | Carbon Steel |
| Balancing Method | 1/2 Key |
| Drip Cover | With |
| Resilient Base | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 9 |
Downloads
- W01 Rolled Steel Integral Horsepower Motors
- W40 - Open Induction Motors (NEMA Market)
- USA Linecard 2020
- US100 Standard Catalog Single Phase and Three Phase General Purpose Motors
- US100 Standard Catalog Washdown, Fractional and Air Handling Motors
- US100 Standard Stock Catalog Complete
- W22 & W01 - Single-Phase Integral Horsepower Motors
- US100 Electrical and Mechanical Data


