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 | 6 |
| Degree of Protection | IP55 |
| Synchronous speed | 1200 rpm |
| Output rating | 250 HP |
| Mounting | B3L(E) |
| Flange | Without |
| Terminal box¹ | Right position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 250 HP (185 kW) |
| Number of Poles | 6 |
| Frequency | 60 Hz |
| Rated speed | 1195 rpm |
| Slip | 0.42 % |
| Rated voltage | 460 V |
| Rated current | 311 A |
| L. R. Amperes | 2239 A |
| LRC | 7.2 |
| No load current | 154 A |
| Rated torque | 1100 ft.lb |
| Locked rotor torque | 250 % |
| Breakdown torque | 290 % |
| Locked rotor time | 108s (cold) 60s (hot) |
| Moment of inertia (J) | 264 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 | 77.0 dB(A) |
| Approx. weight³ | 3693 lb |
Efficiency
| 50% | 94.3 |
|---|---|
| 75% | 95.4 |
| 100% | 95.8 |
Power factor
| 50% | 0.60 |
|---|---|
| 75% | 0.72 |
| 100% | 0.78 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 250 HP (185 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 993 rpm |
| Slip | 0.70 % |
| Rated voltage | 380 V |
| Rated current | 362 A |
| L. R. Amperes | 2244 A |
| LRC | 6.2 |
| No load current | 148 A |
| Rated torque | 1320 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 220 % |
| Locked rotor time | 106s (cold) 59s (hot) |
| Moment of inertia (J) | 264 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 | 73.0 dB(A) |
| Approx. weight³ | 3693 lb |
Efficiency
| 50% | 95.2 |
|---|---|
| 75% | 95.8 |
| 100% | 95.8 |
Power factor
| 50% | 0.68 |
|---|---|
| 75% | 0.77 |
| 100% | 0.81 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 250 HP (185 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 994 rpm |
| Slip | 0.60 % |
| Rated voltage | 400 V |
| Rated current | 353 A |
| L. R. Amperes | 2295 A |
| LRC | 6.5 |
| No load current | 160 A |
| Rated torque | 1320 ft.lb |
| Locked rotor torque | 220 % |
| Breakdown torque | 240 % |
| Locked rotor time | 95s (cold) 53s (hot) |
| Moment of inertia (J) | 264 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 | 73.0 dB(A) |
| Approx. weight³ | 3693 lb |
Efficiency
| 50% | 94.9 |
|---|---|
| 75% | 95.6 |
| 100% | 95.8 |
Power factor
| 50% | 0.64 |
|---|---|
| 75% | 0.74 |
| 100% | 0.79 |
Electric Motors
| Frame | 355M/L |
|---|---|
| Output | 250 HP (185 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 994 rpm |
| Slip | 0.60 % |
| Rated voltage | 415 V |
| Rated current | 349 A |
| L. R. Amperes | 2373 A |
| LRC | 6.8 |
| No load current | 170 A |
| Rated torque | 1320 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 260 % |
| Locked rotor time | 86s (cold) 48s (hot) |
| Moment of inertia (J) | 264 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 | 73.0 dB(A) |
| Approx. weight³ | 3693 lb |
Efficiency
| 50% | 94.5 |
|---|---|
| 75% | 95.5 |
| 100% | 95.8 |
Power factor
| 50% | 0.61 |
|---|---|
| 75% | 0.72 |
| 100% | 0.77 |
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 |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 6 |
