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 Hz |
| Voltage | 460//380-415 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1800 rpm |
| Output rating | 450 HP |
| Mounting | B3L(E) |
| Flange | Without |
| Terminal box¹ | Right position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 450 HP (330 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1491 rpm |
| Slip | 0.60 % |
| Rated voltage | 380 V |
| Rated current | 595 A |
| L. R. Amperes | 4582 A |
| LRC | 7.7 |
| No load current | 170 A |
| Rated torque | 1580 ft.lb |
| Locked rotor torque | 235 % |
| Breakdown torque | 235 % |
| Locked rotor time | 27s (cold) 15s (hot) |
| Moment of inertia (J) | 275 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.15 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 74.0 dB(A) |
| Approx. weight³ | 4586 lb |
Efficiency
| 50% | 96.4 |
|---|---|
| 75% | 96.8 |
| 100% | 96.8 |
Power factor
| 50% | 0.75 |
|---|---|
| 75% | 0.85 |
| 100% | 0.87 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 450 HP (330 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1493 rpm |
| Slip | 0.47 % |
| Rated voltage | 415 V |
| Rated current | 557 A |
| L. R. Amperes | 4289 A |
| LRC | 7.7 |
| No load current | 195 A |
| Rated torque | 1580 ft.lb |
| Locked rotor torque | 275 % |
| Breakdown torque | 285 % |
| Locked rotor time | 27s (cold) 15s (hot) |
| Moment of inertia (J) | 275 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.15 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 74.0 dB(A) |
| Approx. weight³ | 4586 lb |
Efficiency
| 50% | 96.2 |
|---|---|
| 75% | 96.8 |
| 100% | 97.0 |
Power factor
| 50% | 0.69 |
|---|---|
| 75% | 0.81 |
| 100% | 0.85 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 450 HP (330 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1793 rpm |
| Slip | 0.39 % |
| Rated voltage | 460 V |
| Rated current | 505 A |
| L. R. Amperes | 4192 A |
| LRC | 8.3 |
| No load current | 171 A |
| Rated torque | 1320 ft.lb |
| Locked rotor torque | 285 % |
| Breakdown torque | 305 % |
| Locked rotor time | 66s (cold) 37s (hot) |
| Moment of inertia (J) | 275 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.15 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 78.0 dB(A) |
| Approx. weight³ | 4586 lb |
Efficiency
| 50% | 95.5 |
|---|---|
| 75% | 96.3 |
| 100% | 96.5 |
Power factor
| 50% | 0.72 |
|---|---|
| 75% | 0.82 |
| 100% | 0.85 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Constant Resin Flow |
| Regreasing System | At Drive end and Non-drive end |
| Main terminal box hole | 2xM63x1,5 |
| Terminal Block | BMC - 6 pins |
| Shaft Locking Device | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 4140 Carbon Steel |
| Painting | RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs | Double |
| Fan Cover material | Cast Iron |
| Tropicalized Painting | Without |
| Fan material | Aluminum |
| Bearing cap | Yes- Bearing Cap |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 6 |
