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 | 350 HP |
| Mounting | B3L(E) |
| Flange | Without |
| Terminal box¹ | Right position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 350 HP (260 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1792 rpm |
| Slip | 0.44 % |
| Rated voltage | 460 V |
| Rated current | 399 A |
| L. R. Amperes | 3192 A |
| LRC | 8.0 |
| No load current | 145 A |
| Rated torque | 1030 ft.lb |
| Locked rotor torque | 280 % |
| Breakdown torque | 280 % |
| Locked rotor time | 54s (cold) 30s (hot) |
| Moment of inertia (J) | 204 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 | 81.0 dB(A) |
| Approx. weight³ | 3709 lb |
Efficiency
| 50% | 95.0 |
|---|---|
| 75% | 96.2 |
| 100% | 96.2 |
Power factor
| 50% | 0.72 |
|---|---|
| 75% | 0.81 |
| 100% | 0.85 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 350 HP (260 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1490 rpm |
| Slip | 0.67 % |
| Rated voltage | 380 V |
| Rated current | 477 A |
| L. R. Amperes | 3101 A |
| LRC | 6.5 |
| No load current | 145 A |
| Rated torque | 1230 ft.lb |
| Locked rotor torque | 220 % |
| Breakdown torque | 220 % |
| Locked rotor time | 28s (cold) 16s (hot) |
| Moment of inertia (J) | 204 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| 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 | 76.0 dB(A) |
| Approx. weight³ | 3709 lb |
Efficiency
| 50% | 96.0 |
|---|---|
| 75% | 96.2 |
| 100% | 96.3 |
Power factor
| 50% | 0.76 |
|---|---|
| 75% | 0.84 |
| 100% | 0.86 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 350 HP (260 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1490 rpm |
| Slip | 0.67 % |
| Rated voltage | 400 V |
| Rated current | 458 A |
| L. R. Amperes | 3206 A |
| LRC | 7.0 |
| No load current | 155 A |
| Rated torque | 1230 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 240 % |
| Locked rotor time | 28s (cold) 16s (hot) |
| Moment of inertia (J) | 204 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| 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 | 76.0 dB(A) |
| Approx. weight³ | 3709 lb |
Efficiency
| 50% | 96.0 |
|---|---|
| 75% | 96.2 |
| 100% | 96.4 |
Power factor
| 50% | 0.73 |
|---|---|
| 75% | 0.82 |
| 100% | 0.85 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 350 HP (260 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1490 rpm |
| Slip | 0.67 % |
| Rated voltage | 415 V |
| Rated current | 446 A |
| L. R. Amperes | 3345 A |
| LRC | 7.5 |
| No load current | 165 A |
| Rated torque | 1230 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 260 % |
| Locked rotor time | 28s (cold) 16s (hot) |
| Moment of inertia (J) | 204 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| 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 | 76.0 dB(A) |
| Approx. weight³ | 3709 lb |
Efficiency
| 50% | 96.0 |
|---|---|
| 75% | 96.2 |
| 100% | 96.5 |
Power factor
| 50% | 0.70 |
|---|---|
| 75% | 0.80 |
| 100% | 0.84 |
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 | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 6 |
