Description
The W22 IEEE 841 motors were especially designed to operate in petrochemical and chemical industries. The motor has cast iron frame, flexible mounting, solid and whole feet, low noise levels, anticorrosive internal coating and high efficiency.
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60 Hz |
| Voltage | 460 V |
| Number of poles | 8 |
| Degree of Protection | IP55 |
| Synchronous speed | 900 rpm |
| Output rating | 50 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Specifications
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 IE1 400 V 50 Hz 8P IE2 415 V 50 Hz 8P IE2Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 60 Hz |
| Rated speed | 880 rpm |
| Slip | 2.22 % |
| Rated voltage | 460 V |
| Rated current | 60.2 A |
| L. R. Amperes | 433 A |
| LRC | 7.2x(Code H) |
| No load current | 22.5 A |
| Rated torque | 298 ft.lb |
| Locked rotor torque | 170 % |
| Breakdown torque | 260 % |
| Locked rotor time | 52s (cold) 29s (hot) |
| Moment of inertia (J) | 34.6 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 | 60.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 93.0 |
|---|---|
| 75% | 93.0 |
| 100% | 93.0 |
Power factor
| 50% | 0.68 |
|---|---|
| 75% | 0.78 |
| 100% | 0.83 |
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 40 HP (30 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 380 V |
| Rated current | 59.4 A |
| L. R. Amperes | 404 A |
| LRC | 6.8x(Code H) |
| No load current | 22.5 A |
| Rated torque | 288 ft.lb |
| Locked rotor torque | 170 % |
| Breakdown torque | 240 % |
| Locked rotor time | 57s (cold) 32s (hot) |
| Moment of inertia (J) | 34.6 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 | 56.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 92.9 |
|---|---|
| 75% | 92.3 |
| 100% | 91.3 |
Power factor
| 50% | 0.65 |
|---|---|
| 75% | 0.78 |
| 100% | 0.84 |
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 40 HP (30 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 733 rpm |
| Slip | 2.27 % |
| Rated voltage | 400 V |
| Rated current | 57.6 A |
| L. R. Amperes | 420 A |
| LRC | 7.3x(Code J) |
| No load current | 24.0 A |
| Rated torque | 287 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 290 % |
| Locked rotor time | 54s (cold) 30s (hot) |
| Moment of inertia (J) | 34.6 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 | 56.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 91.8 |
|---|---|
| 75% | 92.2 |
| 100% | 91.7 |
Power factor
| 50% | 0.63 |
|---|---|
| 75% | 0.76 |
| 100% | 0.82 |
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 40 HP (30 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 735 rpm |
| Slip | 2.00 % |
| Rated voltage | 415 V |
| Rated current | 56.8 A |
| L. R. Amperes | 443 A |
| LRC | 7.8x(Code J) |
| No load current | 25.5 A |
| Rated torque | 286 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 310 % |
| Locked rotor time | 50s (cold) 28s (hot) |
| Moment of inertia (J) | 34.6 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 | 56.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 91.8 |
|---|---|
| 75% | 92.2 |
| 100% | 91.8 |
Power factor
| 50% | 0.60 |
|---|---|
| 75% | 0.73 |
| 100% | 0.80 |
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 720 rpm |
| Slip | 4.00 % |
| Rated voltage | 380 V |
| Rated current | 73.3 A |
| L. R. Amperes | 403 A |
| LRC | 5.5x(Code F) |
| No load current | 22.5 A |
| Rated torque | 365 ft.lb |
| Locked rotor torque | 140 % |
| Breakdown torque | 200 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 34.6 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 | 56.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 92.4 |
|---|---|
| 75% | 91.7 |
| 100% | 90.2 |
Power factor
| 50% | 0.74 |
|---|---|
| 75% | 0.82 |
| 100% | 0.85 |
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 725 rpm |
| Slip | 3.33 % |
| Rated voltage | 400 V |
| Rated current | 69.9 A |
| L. R. Amperes | 419 A |
| LRC | 6.0x(Code G) |
| No load current | 24.0 A |
| Rated torque | 362 ft.lb |
| Locked rotor torque | 160 % |
| Breakdown torque | 229 % |
| Locked rotor time | 37s (cold) 21s (hot) |
| Moment of inertia (J) | 34.6 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 | 56.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 92.4 |
|---|---|
| 75% | 91.7 |
| 100% | 91.0 |
Power factor
| 50% | 0.71 |
|---|---|
| 75% | 0.80 |
| 100% | 0.84 |
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 725 rpm |
| Slip | 3.33 % |
| Rated voltage | 415 V |
| Rated current | 68.2 A |
| L. R. Amperes | 443 A |
| LRC | 6.5x(Code H) |
| No load current | 25.5 A |
| Rated torque | 362 ft.lb |
| Locked rotor torque | 180 % |
| Breakdown torque | 250 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 34.6 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 | 56.0 dB(A) |
| Approx. weight³ | 1125 lb |
Efficiency
| 50% | 92.4 |
|---|---|
| 75% | 91.7 |
| 100% | 91.0 |
Power factor
| 50% | 0.68 |
|---|---|
| 75% | 0.78 |
| 100% | 0.83 |
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 | NPT 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 | Conductive Plastic |
| 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 |
