Description
The W22 IEEE841 motors are designed for the petrochemical and chemical industries. They have rugged construction and long service life, for the most demanding industrial applications.
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60 Hz |
| Voltage | 460 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1800 rpm |
| Output rating | 350 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | L447/9T |
|---|---|
| Output | 350 HP (260 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1787 rpm |
| Slip | 0.72 % |
| Rated voltage | 460 V |
| Rated current | 394 A |
| L. R. Amperes | 2719 A |
| LRC | 6.9x(Code G) |
| No load current | 115 A |
| Rated torque | 1030 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 229 % |
| Locked rotor time | 81s (cold) 45s (hot) |
| Moment of inertia (J) | 131 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 | 77.0 dB(A) |
| Approx. weight³ | 3202 lb |
Efficiency
| 50% | 95.8 |
|---|---|
| 75% | 96.2 |
| 100% | 96.2 |
Power factor
| 50% | 0.76 |
|---|---|
| 75% | 0.83 |
| 100% | 0.86 |
Electric Motors
| Frame | L447/9T |
|---|---|
| Output | 300 HP (220 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1486 rpm |
| Slip | 0.93 % |
| Rated voltage | 380 V |
| Rated current | 404 A |
| L. R. Amperes | 2868 A |
| LRC | 7.1x(Code G) |
| No load current | 110 A |
| Rated torque | 1060 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 229 % |
| Locked rotor time | 88s (cold) 49s (hot) |
| Moment of inertia (J) | 131 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 | 77.0 dB(A) |
| Approx. weight³ | 3202 lb |
Efficiency
| 50% | 96.2 |
|---|---|
| 75% | 96.3 |
| 100% | 96.3 |
Power factor
| 50% | 0.74 |
|---|---|
| 75% | 0.82 |
| 100% | 0.86 |
Electric Motors
| Frame | L447/9T |
|---|---|
| Output | 300 HP (220 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1488 rpm |
| Slip | 0.80 % |
| Rated voltage | 400 V |
| Rated current | 388 A |
| L. R. Amperes | 3065 A |
| LRC | 7.9x(Code H) |
| No load current | 116 A |
| Rated torque | 1060 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 250 % |
| Locked rotor time | 75s (cold) 42s (hot) |
| Moment of inertia (J) | 131 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 | 77.0 dB(A) |
| Approx. weight³ | 3202 lb |
Efficiency
| 50% | 95.9 |
|---|---|
| 75% | 96.3 |
| 100% | 96.3 |
Power factor
| 50% | 0.70 |
|---|---|
| 75% | 0.80 |
| 100% | 0.85 |
Electric Motors
| Frame | L447/9T |
|---|---|
| Output | 300 HP (220 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1490 rpm |
| Slip | 0.67 % |
| Rated voltage | 415 V |
| Rated current | 379 A |
| L. R. Amperes | 3222 A |
| LRC | 8.5x(Code J) |
| No load current | 122 A |
| Rated torque | 1060 ft.lb |
| Locked rotor torque | 290 % |
| Breakdown torque | 280 % |
| Locked rotor time | 68s (cold) 38s (hot) |
| Moment of inertia (J) | 131 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 | 77.0 dB(A) |
| Approx. weight³ | 3202 lb |
Efficiency
| 50% | 95.6 |
|---|---|
| 75% | 96.2 |
| 100% | 96.2 |
Power factor
| 50% | 0.66 |
|---|---|
| 75% | 0.78 |
| 100% | 0.84 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Constant Resin Flow |
| Regreasing System | Extended in Stainless Steel, at Drive end and Non-drive end |
| Main terminal box hole | 2xNPT 3" |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Type T, Threaded |
| Shaft Material | SAE 4140 Carbon Steel |
| Painting | RAL 5009 202E (ISO 12944 - C4) |
| Grounding Lugs | Double |
| Fan Cover material | Cast Iron |
| Tropicalized Painting | According to IEEE-841 (96h) |
| Joints Seal | Molykote |
| Foot flatness | (0.005 pol) 0.127 mm |
| Fan material | Bronze |
| Bearing cap | Yes- Bearing Cap |
| Bolt Material | Carbon Steel |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 3 |
