Description
With cast iron frame, flexible mounting, solid and whole feet, and lower noise levels and operating temperatures, the W22 motors are perfectly suitable for a great variety of industrial applications.
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 208-230/460//380 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1800 rpm |
| Output rating | 1 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 143/5T |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1760 rpm |
| Slip | 2.22 % |
| Rated voltage | 230/460 V |
| Rated current | 2.66/1.33 A |
| L. R. Amperes | 23.9/12.0 A |
| LRC | 9.0x(Code L) |
| No load current | 1.54/0.770 A |
| Rated torque | 2.98 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 330 % |
| Locked rotor time | 59s (cold) 33s (hot) |
| Moment of inertia (J) | 0.1554 sq.ft.lb |
| Design | A |
| 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 | 51.0 dB(A) |
| Approx. weight³ | 52.2 lb |
Efficiency
| 50% | 84.0 |
|---|---|
| 75% | 86.5 |
| 100% | 87.5 |
Power factor
| 50% | 0.59 |
|---|---|
| 75% | 0.70 |
| 100% | 0.79 |
Electric Motors
| Frame | 143/5T |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1455 rpm |
| Slip | 3.00 % |
| Rated voltage | 380 V |
| Rated current | 1.59 A |
| L. R. Amperes | 11.9 A |
| LRC | 7.5x(Code J) |
| No load current | 0.759 A |
| Rated torque | 3.61 ft.lb |
| Locked rotor torque | 210 % |
| Breakdown torque | 240 % |
| Locked rotor time | 52s (cold) 29s (hot) |
| Moment of inertia (J) | 0.1554 sq.ft.lb |
| Design | A |
| 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 | 49.0 dB(A) |
| Approx. weight³ | 52.2 lb |
Efficiency
| 50% | 85.5 |
|---|---|
| 75% | 86.5 |
| 100% | 86.5 |
Power factor
| 50% | 0.64 |
|---|---|
| 75% | 0.75 |
| 100% | 0.83 |
Electric Motors
| Frame | 143/5T |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1460 rpm |
| Slip | 2.67 % |
| Rated voltage | 400 V |
| Rated current | 1.49 A |
| L. R. Amperes | 12.1 A |
| LRC | 8.1x(Code K) |
| No load current | 0.803 A |
| Rated torque | 3.60 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 280 % |
| Locked rotor time | 52s (cold) 29s (hot) |
| Moment of inertia (J) | 0.1554 sq.ft.lb |
| Design | A |
| 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 | 49.0 dB(A) |
| Approx. weight³ | 52.2 lb |
Efficiency
| 50% | 86.5 |
|---|---|
| 75% | 87.5 |
| 100% | 87.5 |
Power factor
| 50% | 0.61 |
|---|---|
| 75% | 0.72 |
| 100% | 0.81 |
Electric Motors
| Frame | 143/5T |
|---|---|
| Output | 1 HP (0.75 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1460 rpm |
| Slip | 2.67 % |
| Rated voltage | 415 V |
| Rated current | 1.51 A |
| L. R. Amperes | 13.0 A |
| LRC | 8.6x(Code L) |
| No load current | 0.836 A |
| Rated torque | 3.60 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 310 % |
| Locked rotor time | 52s (cold) 29s (hot) |
| Moment of inertia (J) | 0.1554 sq.ft.lb |
| Design | A |
| 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 | 49.0 dB(A) |
| Approx. weight³ | 52.2 lb |
Efficiency
| 50% | 86.5 |
|---|---|
| 75% | 87.5 |
| 100% | 87.5 |
Power factor
| 50% | 0.58 |
|---|---|
| 75% | 0.70 |
| 100% | 0.79 |
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 6002 207A (ISO 12944 - C2) |
| Grounding Lugs | Single |
| Fan Cover material | Steel |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | No-Without Bearing Cap |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 9 |
