Description
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 208-230/460//190-220/380-415 V |
| Number of poles | 4 |
| Synchronous speed | 1800 rpm |
| Output rating | 0.33 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Without Terminal Box |
| Enclosure | IC01 - ODP |
Electric Motors
| Frame | 56 |
|---|---|
| Output | 0.33 HP (0.25 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1765 rpm |
| Slip | 1.94 % |
| Rated voltage | 208-230/460 V |
| Rated current | 1.48-1.34/0.668 A |
| L. R. Amperes | 9.16-8.28/4.14 A |
| LRC | 6.2x(Code L) |
| No load current | 0.948-1.10/0.550 A |
| Rated torque | 0.982 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 330 % |
| Locked rotor time | 64s (cold) 36s (hot) |
| Moment of inertia (J) | 0.0453 sq.ft.lb |
| Insulation Class | F |
| Temperature rise | 80 K |
| Service factor | 1.35 (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. |
| Enclosure | IC01 - ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 52.0 dB(A) |
| Approx. weight³ | 21.8 lb |
Efficiency
| 50% | 62.0 |
|---|---|
| 75% | 70.0 |
| 100% | 73.4 |
Power factor
| 50% | 0.44 |
|---|---|
| 75% | 0.55 |
| 100% | 0.64 |
Electric Motors
| Frame | 56 |
|---|---|
| Output | 0.33 HP (0.25 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1450 rpm |
| Slip | 3.33 % |
| Rated voltage | 190-220/380 V |
| Rated current | 1.44-1.24/0.718 A |
| L. R. Amperes | 7.32-6.32/3.66 A |
| LRC | 5.1x(Code J) |
| No load current | 1.04-0.902/0.522 A |
| Rated torque | 1.20 ft.lb |
| Locked rotor torque | 160 % |
| Breakdown torque | 250 % |
| Locked rotor time | 77s (cold) 43s (hot) |
| Moment of inertia (J) | 0.0453 sq.ft.lb |
| Insulation Class | F |
| Service factor | 1.35 (1.00 @ 208V) |
| 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. |
| Enclosure | IC01 - ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 49.0 dB(A) |
| Approx. weight³ | 21.8 lb |
Efficiency
| 50% | 65.0 |
|---|---|
| 75% | 70.6 |
| 100% | 72.5 |
Power factor
| 50% | 0.51 |
|---|---|
| 75% | 0.64 |
| 100% | 0.73 |
Electric Motors
| Frame | 56 |
|---|---|
| Output | 0.33 HP (0.25 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1460 rpm |
| Slip | 2.67 % |
| Rated voltage | 415 V |
| Rated current | 0.740 A |
| L. R. Amperes | 4.00 A |
| LRC | 5.4x(Code K) |
| No load current | 0.628 A |
| Rated torque | 1.19 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 300 % |
| Locked rotor time | 63s (cold) 35s (hot) |
| Moment of inertia (J) | 0.0453 sq.ft.lb |
| Insulation Class | F |
| Service factor | 1.35 (1.00 @ 208V) |
| 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. |
| Enclosure | IC01 - ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 49.0 dB(A) |
| Approx. weight³ | 21.8 lb |
Efficiency
| 50% | 60.4 |
|---|---|
| 75% | 67.8 |
| 100% | 71.2 |
Power factor
| 50% | 0.44 |
|---|---|
| 75% | 0.56 |
| 100% | 0.66 |
Features
| Frame Material | Rolled Steel |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | Only primer |
| Grounding Lugs | Single |
| Fan Cover material | Without Fan Cover |
| Tropicalized Painting | Without |
| Fan material | Without fan |
| Bearing cap | No-Without Bearing Cap |
| Bolt Material | Carbon Steel |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Resilient Base | With |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 9 |
Downloads
- W01 Rolled Steel Fractional Horsepower Motors
- 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 Catalog IEC, TruMetric and Atex Motors Section
- US100 Standard Stock Catalog Complete
- W22 & W01 - Single-Phase Integral Horsepower Motors
- US100 Electrical and Mechanical Data


