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 | 8 |
| Degree of Protection | IP55 |
| Synchronous speed | 900 rpm |
| Output rating | 20 HP |
| Mounting | F-1 |
| Flange | C |
| 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 IE2 400 V 50 Hz 8P IE2 415 V 50 Hz 8P IE2Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 8 |
| Frequency | 60 Hz |
| Rated speed | 880 rpm |
| Slip | 2.22 % |
| Rated voltage | 460 V |
| Rated current | 28.3 A |
| L. R. Amperes | 142 A |
| LRC | 5.0x(Code G) |
| No load current | 16.0 A |
| Rated torque | 119 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 220 % |
| Locked rotor time | 48s (cold) 27s (hot) |
| Moment of inertia (J) | 9.37 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 | 56.0 dB(A) |
| Approx. weight³ | 452 lb |
Efficiency
| 50% | 89.5 |
|---|---|
| 75% | 91.0 |
| 100% | 91.0 |
Power factor
| 50% | 0.54 |
|---|---|
| 75% | 0.66 |
| 100% | 0.73 |
Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 380 V |
| Rated current | 26.5 A |
| L. R. Amperes | 133 A |
| LRC | 5.0x(Code G) |
| No load current | 15.7 A |
| Rated torque | 108 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 229 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 9.37 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 | 452 lb |
Efficiency
| 50% | 88.5 |
|---|---|
| 75% | 89.6 |
| 100% | 89.5 |
Power factor
| 50% | 0.51 |
|---|---|
| 75% | 0.64 |
| 100% | 0.72 |
Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 400 V |
| Rated current | 26.4 A |
| L. R. Amperes | 142 A |
| LRC | 5.4x(Code H) |
| No load current | 17.6 A |
| Rated torque | 108 ft.lb |
| Locked rotor torque | 210 % |
| Breakdown torque | 260 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 9.37 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 | 56.0 dB(A) |
| Approx. weight³ | 452 lb |
Efficiency
| 50% | 87.4 |
|---|---|
| 75% | 89.0 |
| 100% | 89.3 |
Power factor
| 50% | 0.46 |
|---|---|
| 75% | 0.60 |
| 100% | 0.69 |
Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 735 rpm |
| Slip | 2.00 % |
| Rated voltage | 415 V |
| Rated current | 27.1 A |
| L. R. Amperes | 152 A |
| LRC | 5.6x(Code J) |
| No load current | 19.3 A |
| Rated torque | 107 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 280 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 9.37 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 | 56.0 dB(A) |
| Approx. weight³ | 452 lb |
Efficiency
| 50% | 86.3 |
|---|---|
| 75% | 88.5 |
| 100% | 89.0 |
Power factor
| 50% | 0.42 |
|---|---|
| 75% | 0.56 |
| 100% | 0.65 |
Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 725 rpm |
| Slip | 3.33 % |
| Rated voltage | 380 V |
| Rated current | 33.4 A |
| L. R. Amperes | 134 A |
| LRC | 4.0x(Code D) |
| No load current | 15.7 A |
| Rated torque | 145 ft.lb |
| Locked rotor torque | 140 % |
| Breakdown torque | 170 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 9.37 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 | 452 lb |
Efficiency
| 50% | 89.5 |
|---|---|
| 75% | 89.5 |
| 100% | 88.5 |
Power factor
| 50% | 0.61 |
|---|---|
| 75% | 0.72 |
| 100% | 0.77 |
Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 725 rpm |
| Slip | 3.33 % |
| Rated voltage | 400 V |
| Rated current | 32.6 A |
| L. R. Amperes | 143 A |
| LRC | 4.4x(Code E) |
| No load current | 17.6 A |
| Rated torque | 145 ft.lb |
| Locked rotor torque | 160 % |
| Breakdown torque | 190 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 9.37 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.15 |
| 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 | 452 lb |
Efficiency
| 50% | 88.5 |
|---|---|
| 75% | 89.5 |
| 100% | 88.5 |
Power factor
| 50% | 0.56 |
|---|---|
| 75% | 0.68 |
| 100% | 0.75 |
Electric Motors
| Frame | 324/6TC |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 730 rpm |
| Slip | 2.67 % |
| Rated voltage | 415 V |
| Rated current | 32.7 A |
| L. R. Amperes | 150 A |
| LRC | 4.6x(Code F) |
| No load current | 19.3 A |
| Rated torque | 144 ft.lb |
| Locked rotor torque | 180 % |
| Breakdown torque | 210 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 9.37 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 | 56.0 dB(A) |
| Approx. weight³ | 452 lb |
Efficiency
| 50% | 87.5 |
|---|---|
| 75% | 89.5 |
| 100% | 88.5 |
Power factor
| 50% | 0.52 |
|---|---|
| 75% | 0.65 |
| 100% | 0.72 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Regreasing System | Stainless Steel, at Drive end and Non-drive end |
| Main terminal box hole | NPT 2" |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Type T, Threaded |
| Shaft Material | SAE 1040/45 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 |


