Description
With cast iron frame, flexible mounting, solid feet, and lower noise levels and operating temperatures, the W22 motors are perfectly suitable for a great variety of industrial applications. Carry CSA Certified for Division 2 on the Nameplate as standard.
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 208-230/460//380 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1800 rpm |
| Output rating | 20 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1778 rpm |
| Slip | 1.22 % |
| Rated voltage | 230/460 V |
| Rated current | 49.4/24.7 A |
| L. R. Amperes | 366/183 A |
| LRC | 7.4x(Code J) |
| No load current | 23.0/11.5 A |
| Rated torque | 59.1 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 300 % |
| Locked rotor time | 52s (cold) 29s (hot) |
| Moment of inertia (J) | 4.29 sq.ft.lb |
| Design | A |
| 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 | 64.0 dB(A) |
| Approx. weight³ | 360 lb |
Efficiency
| 50% | 93.0 |
|---|---|
| 75% | 93.6 |
| 100% | 94.1 |
Power factor
| 50% | 0.63 |
|---|---|
| 75% | 0.75 |
| 100% | 0.81 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1470 rpm |
| Slip | 2.00 % |
| Rated voltage | 380 V |
| Rated current | 29.2 A |
| L. R. Amperes | 175 A |
| LRC | 6.0x(Code G) |
| No load current | 11.0 A |
| Rated torque | 71.4 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 229 % |
| Locked rotor time | 46s (cold) 26s (hot) |
| Moment of inertia (J) | 4.29 sq.ft.lb |
| Design | A |
| 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 | 61.0 dB(A) |
| Approx. weight³ | 360 lb |
Efficiency
| 50% | 92.4 |
|---|---|
| 75% | 93.0 |
| 100% | 93.0 |
Power factor
| 50% | 0.69 |
|---|---|
| 75% | 0.80 |
| 100% | 0.84 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1475 rpm |
| Slip | 1.67 % |
| Rated voltage | 400 V |
| Rated current | 27.9 A |
| L. R. Amperes | 181 A |
| LRC | 6.5x(Code G) |
| No load current | 12.0 A |
| Rated torque | 71.2 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 270 % |
| Locked rotor time | 43s (cold) 24s (hot) |
| Moment of inertia (J) | 4.29 sq.ft.lb |
| Design | A |
| 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 | 61.0 dB(A) |
| Approx. weight³ | 360 lb |
Efficiency
| 50% | 93.0 |
|---|---|
| 75% | 93.6 |
| 100% | 93.6 |
Power factor
| 50% | 0.65 |
|---|---|
| 75% | 0.77 |
| 100% | 0.83 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1475 rpm |
| Slip | 1.67 % |
| Rated voltage | 415 V |
| Rated current | 27.5 A |
| L. R. Amperes | 190 A |
| LRC | 6.9x(Code H) |
| No load current | 13.0 A |
| Rated torque | 71.2 ft.lb |
| Locked rotor torque | 250 % |
| Breakdown torque | 290 % |
| Locked rotor time | 37s (cold) 21s (hot) |
| Moment of inertia (J) | 4.29 sq.ft.lb |
| Design | A |
| 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 | 61.0 dB(A) |
| Approx. weight³ | 360 lb |
Efficiency
| 50% | 93.0 |
|---|---|
| 75% | 93.6 |
| 100% | 93.6 |
Power factor
| 50% | 0.62 |
|---|---|
| 75% | 0.74 |
| 100% | 0.81 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Regreasing System | At Drive end and Non-drive end |
| Main terminal box hole | NPT 1 1/2" |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | RAL 6002 203A (ISO 12944 - C2) |
| Grounding Lugs | Single |
| 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 | 12 |
