Description
| Standard | IEC 60034-1 |
|---|---|
| Frequency | 50 Hz |
| Voltage | 380-400-415/660-690//460 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1500 rpm |
| Output rating | 55 kW |
| Mounting | B3T |
| Flange | Without |
| Terminal box¹ | Top |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 250S/M |
|---|---|
| Output | 55 kW (75 HP) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1475 rpm |
| Slip | 1.67 % |
| Rated voltage | 380/660 V |
| Rated current | 104/59.9 A |
| L. R. Amperes | 645/371 A |
| LRC | 6.2 |
| No load current | 31.0/17.8 A |
| Rated torque | 263 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 240 % |
| Locked rotor time | 25s (cold) 14s (hot) |
| Moment of inertia (J) | 19.3 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3T |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 68.0 dB(A) |
| Approx. weight³ | 1010 lb |
Efficiency
| 50% | 93.2 |
|---|---|
| 75% | 93.5 |
| 100% | 93.5 |
Power factor
| 50% | 0.78 |
|---|---|
| 75% | 0.85 |
| 100% | 0.86 |
Electric Motors
| Frame | 250S/M |
|---|---|
| Output | 55 kW (75 HP) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1480 rpm |
| Slip | 1.33 % |
| Rated voltage | 400/690 V |
| Rated current | 100/58.0 A |
| L. R. Amperes | 640/371 A |
| LRC | 6.4 |
| No load current | 35.0/20.3 A |
| Rated torque | 262 ft.lb |
| Locked rotor torque | 220 % |
| Breakdown torque | 270 % |
| Locked rotor time | 23s (cold) 13s (hot) |
| Moment of inertia (J) | 19.3 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3T |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 68.0 dB(A) |
| Approx. weight³ | 1010 lb |
Efficiency
| 50% | 93.2 |
|---|---|
| 75% | 93.5 |
| 100% | 93.5 |
Power factor
| 50% | 0.75 |
|---|---|
| 75% | 0.83 |
| 100% | 0.85 |
Electric Motors
| Frame | 250S/M |
|---|---|
| Output | 55 kW (75 HP) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1480 rpm |
| Slip | 1.33 % |
| Rated voltage | 415 V |
| Rated current | 97.4 A |
| L. R. Amperes | 662 A |
| LRC | 6.8 |
| No load current | 38.0 A |
| Rated torque | 262 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 290 % |
| Locked rotor time | 23s (cold) 13s (hot) |
| Moment of inertia (J) | 19.3 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3T |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 68.0 dB(A) |
| Approx. weight³ | 1010 lb |
Efficiency
| 50% | 93.3 |
|---|---|
| 75% | 93.5 |
| 100% | 93.5 |
Power factor
| 50% | 0.72 |
|---|---|
| 75% | 0.81 |
| 100% | 0.84 |
Electric Motors
| Frame | 250S/M |
|---|---|
| Output | 55 kW (75 HP) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1780 rpm |
| Slip | 1.11 % |
| Rated voltage | 460 V |
| Rated current | 87.3 A |
| L. R. Amperes | 629 A |
| LRC | 7.2 |
| No load current | 32.0 A |
| Rated torque | 218 ft.lb |
| Locked rotor torque | 260 % |
| Breakdown torque | 310 % |
| Locked rotor time | 25s (cold) 14s (hot) |
| Moment of inertia (J) | 19.3 sq.ft.lb |
| Design | N |
| Insulation Class | F |
| Service factor | 1.00 |
| Temperature rise | 80 K |
| Duty Cycle | 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 | B3T |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 71.0 dB(A) |
| Approx. weight³ | 1010 lb |
Efficiency
| 50% | 93.0 |
|---|---|
| 75% | 93.6 |
| 100% | 94.1 |
Power factor
| 50% | 0.72 |
|---|---|
| 75% | 0.82 |
| 100% | 0.84 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Constant Resin Flow |
| Regreasing System | At Drive end and Non-drive end |
| Main terminal box hole | 2xM63x1,5 |
| Terminal Block | BMC - 6 pins |
| Shaft Locking Device | Without |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs | Double |
| Fan Cover material | Cast Iron |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Winding thermal protection | Thermistor - 2 wires 1 per phase 155°C |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 6 |
