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 | 230/460//380 V |
| Number of poles | 8 |
| Degree of Protection | IP55 |
| Synchronous speed | 900 rpm |
| Output rating | 7.5 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Specifications
230/460 V 60 Hz 8P 380 V 50 Hz 8P IE3 400 V 50 Hz 8P IE3 415 V 50 Hz 8P IE3 380 V 50 Hz 8P IE2 400 V 50 Hz 8P IE2 415 V 50 Hz 8P IE2Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 8 |
| Frequency | 60 Hz |
| Rated speed | 880 rpm |
| Slip | 2.22 % |
| Rated voltage | 230/460 V |
| Rated current | 22.2/11.1 A |
| L. R. Amperes | 118/58.8 A |
| LRC | 5.3x(Code G) |
| No load current | 13.0/6.50 A |
| Rated torque | 44.8 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 250 % |
| Locked rotor time | 59s (cold) 33s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| 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 | 54.0 dB(A) |
| Approx. weight³ | 295 lb |
Efficiency
| 50% | 85.5 |
|---|---|
| 75% | 87.5 |
| 100% | 87.5 |
Power factor
| 50% | 0.50 |
|---|---|
| 75% | 0.63 |
| 100% | 0.71 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 5.5 HP (4 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 380 V |
| Rated current | 10.4 A |
| L. R. Amperes | 56.1 A |
| LRC | 5.4x(Code H) |
| No load current | 6.40 A |
| Rated torque | 39.6 ft.lb |
| Locked rotor torque | 210 % |
| Breakdown torque | 260 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.00 |
| 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 | 295 lb |
Efficiency
| 50% | 84.1 |
|---|---|
| 75% | 85.7 |
| 100% | 85.5 |
Power factor
| 50% | 0.47 |
|---|---|
| 75% | 0.60 |
| 100% | 0.69 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 5.5 HP (4 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 400 V |
| Rated current | 10.5 A |
| L. R. Amperes | 58.7 A |
| LRC | 5.6x(Code J) |
| No load current | 6.90 A |
| Rated torque | 39.6 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 290 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| 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 | 51.0 dB(A) |
| Approx. weight³ | 295 lb |
Efficiency
| 50% | 81.6 |
|---|---|
| 75% | 84.5 |
| 100% | 85.5 |
Power factor
| 50% | 0.44 |
|---|---|
| 75% | 0.56 |
| 100% | 0.65 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 5.5 HP (4 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 735 rpm |
| Slip | 2.00 % |
| Rated voltage | 415 V |
| Rated current | 10.4 A |
| L. R. Amperes | 62.5 A |
| LRC | 6.0x(Code K) |
| No load current | 7.30 A |
| Rated torque | 39.3 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 320 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| 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 | 51.0 dB(A) |
| Approx. weight³ | 295 lb |
Efficiency
| 50% | 81.4 |
|---|---|
| 75% | 84.5 |
| 100% | 85.5 |
Power factor
| 50% | 0.42 |
|---|---|
| 75% | 0.54 |
| 100% | 0.63 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 720 rpm |
| Slip | 4.00 % |
| Rated voltage | 380 V |
| Rated current | 13.1 A |
| L. R. Amperes | 56.3 A |
| LRC | 4.3x(Code E) |
| No load current | 6.40 A |
| Rated torque | 54.7 ft.lb |
| Locked rotor torque | 150 % |
| Breakdown torque | 190 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.00 |
| 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 | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 51.0 dB(A) |
| Approx. weight³ | 295 lb |
Efficiency
| 50% | 85.5 |
|---|---|
| 75% | 85.5 |
| 100% | 84.0 |
Power factor
| 50% | 0.57 |
|---|---|
| 75% | 0.69 |
| 100% | 0.76 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 725 rpm |
| Slip | 3.33 % |
| Rated voltage | 400 V |
| Rated current | 12.5 A |
| L. R. Amperes | 58.7 A |
| LRC | 4.7x(Code F) |
| No load current | 6.90 A |
| Rated torque | 54.3 ft.lb |
| Locked rotor torque | 170 % |
| Breakdown torque | 210 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.15 |
| 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 | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 51.0 dB(A) |
| Approx. weight³ | 295 lb |
Efficiency
| 50% | 84.0 |
|---|---|
| 75% | 85.5 |
| 100% | 85.5 |
Power factor
| 50% | 0.53 |
|---|---|
| 75% | 0.66 |
| 100% | 0.74 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 415 V |
| Rated current | 12.4 A |
| L. R. Amperes | 62.0 A |
| LRC | 5.0x(Code G) |
| No load current | 7.30 A |
| Rated torque | 54.0 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 229 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 4.43 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.15 |
| 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 | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 51.0 dB(A) |
| Approx. weight³ | 295 lb |
Efficiency
| 50% | 84.0 |
|---|---|
| 75% | 85.5 |
| 100% | 85.5 |
Power factor
| 50% | 0.51 |
|---|---|
| 75% | 0.64 |
| 100% | 0.72 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Regreasing System | At Drive end and Non-drive end |
| Main terminal box hole | NPT 1 1/2" |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs | Single |
| Fan Cover material | Cast Iron |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 12 |
