Description
Line of vertical motors with flange type P. For application on irrigation pumps, water treatment, petrochemical industry, among others, in environments with dust and humidity demanding high torque.
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 230/460//380 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1800 rpm |
| Output rating | 20 HP |
| Mounting | W-6 |
| Flange | P |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Specifications
230/460 V 60 Hz 4P 380 V 50 Hz 4P IE3 400 V 50 Hz 4P IE3 415 V 50 Hz 4P IE3 380 V 50 Hz 4P IE1 400 V 50 Hz 4P IE2 415 V 50 Hz 4P IE2Electric Motors
| Frame | 256HP |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1770 rpm |
| Slip | 1.67 % |
| Rated voltage | 230/460 V |
| Rated current | 48.2/24.1 A |
| L. R. Amperes | 333/166 A |
| LRC | 6.9x(Code H) |
| No load current | 19.2/9.60 A |
| Rated torque | 59.3 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 260 % |
| Locked rotor time | 54s (cold) 30s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 64.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 91.7 |
|---|---|
| 75% | 92.4 |
| 100% | 93.0 |
Power factor
| 50% | 0.68 |
|---|---|
| 75% | 0.79 |
| 100% | 0.84 |
Electric Motors
| Frame | 256HP |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1470 rpm |
| Slip | 2.00 % |
| Rated voltage | 380 V |
| Rated current | 21.8 A |
| L. R. Amperes | 161 A |
| LRC | 7.4x(Code H) |
| No load current | 9.90 A |
| Rated torque | 53.6 ft.lb |
| Locked rotor torque | 250 % |
| Breakdown torque | 290 % |
| Locked rotor time | 59s (cold) 33s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 61.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 91.0 |
|---|---|
| 75% | 91.5 |
| 100% | 91.4 |
Power factor
| 50% | 0.65 |
|---|---|
| 75% | 0.78 |
| 100% | 0.84 |
Electric Motors
| Frame | 256HP |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1475 rpm |
| Slip | 1.67 % |
| Rated voltage | 400 V |
| Rated current | 21.2 A |
| L. R. Amperes | 167 A |
| LRC | 7.9x(Code J) |
| No load current | 10.5 A |
| Rated torque | 53.4 ft.lb |
| Locked rotor torque | 280 % |
| Breakdown torque | 320 % |
| Locked rotor time | 55s (cold) 31s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 61.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 89.8 |
|---|---|
| 75% | 91.0 |
| 100% | 91.4 |
Power factor
| 50% | 0.62 |
|---|---|
| 75% | 0.75 |
| 100% | 0.82 |
Electric Motors
| Frame | 256HP |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1477 rpm |
| Slip | 1.53 % |
| Rated voltage | 415 V |
| Rated current | 20.6 A |
| L. R. Amperes | 173 A |
| LRC | 8.4x(Code K) |
| No load current | 11.0 A |
| Rated torque | 53.3 ft.lb |
| Locked rotor torque | 300 % |
| Breakdown torque | 340 % |
| Locked rotor time | 52s (cold) 29s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 61.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 89.8 |
|---|---|
| 75% | 91.3 |
| 100% | 91.7 |
Power factor
| 50% | 0.60 |
|---|---|
| 75% | 0.73 |
| 100% | 0.81 |
Electric Motors
| Frame | 256HP |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1455 rpm |
| Slip | 3.00 % |
| Rated voltage | 380 V |
| Rated current | 29.4 A |
| L. R. Amperes | 168 A |
| LRC | 5.7x(Code F) |
| No load current | 9.90 A |
| Rated torque | 72.2 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 210 % |
| Locked rotor time | 39s (cold) 22s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 61.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 91.7 |
|---|---|
| 75% | 91.0 |
| 100% | 90.2 |
Power factor
| 50% | 0.75 |
|---|---|
| 75% | 0.83 |
| 100% | 0.86 |
Electric Motors
| Frame | 256HP |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1460 rpm |
| Slip | 2.67 % |
| Rated voltage | 400 V |
| Rated current | 28.0 A |
| L. R. Amperes | 174 A |
| LRC | 6.2x(Code G) |
| No load current | 10.5 A |
| Rated torque | 71.9 ft.lb |
| Locked rotor torque | 210 % |
| Breakdown torque | 229 % |
| Locked rotor time | 37s (cold) 21s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 61.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 91.0 |
|---|---|
| 75% | 91.0 |
| 100% | 91.0 |
Power factor
| 50% | 0.72 |
|---|---|
| 75% | 0.81 |
| 100% | 0.85 |
Electric Motors
| Frame | 256HP |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1465 rpm |
| Slip | 2.33 % |
| Rated voltage | 415 V |
| Rated current | 27.1 A |
| L. R. Amperes | 179 A |
| LRC | 6.6x(Code H) |
| No load current | 11.0 A |
| Rated torque | 71.7 ft.lb |
| Locked rotor torque | 229 % |
| Breakdown torque | 260 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 3.10 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 | W-6 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 61.0 dB(A) |
| Approx. weight³ | 361 lb |
Efficiency
| 50% | 91.0 |
|---|---|
| 75% | 91.7 |
| 100% | 91.7 |
Power factor
| 50% | 0.70 |
|---|---|
| 75% | 0.80 |
| 100% | 0.84 |
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 5009 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 | With |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 12 |
