Electric Motors
| Frame | 280S/M |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 740 rpm |
| Slip | 1.33 % |
| Rated voltage | 380 V |
| Rated current | 73.9 A |
| L. R. Amperes | 443 A |
| LRC | 6.0 |
| No load current | 31.6 A |
| Rated torque | 350 ft.lb |
| Locked rotor torque | 160 % |
| Breakdown torque | 200 % |
| Locked rotor time | 57s (cold) 32s (hot) |
| Moment of inertia (J) | 66.9 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 59.0 dB(A) |
| Approx. weight³ | 1484 lb |
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 93.9 | 94.1 | 93.9 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.67 | 0.76 | 0.81 |
| Frame | 280S/M |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 740 rpm |
| Slip | 1.33 % |
| Rated voltage | 400 V |
| Rated current | 71.8 A |
| L. R. Amperes | 431 A |
| LRC | 6.0 |
| No load current | 34.0 A |
| Rated torque | 350 ft.lb |
| Locked rotor torque | 180 % |
| Breakdown torque | 229 % |
| Locked rotor time | 57s (cold) 32s (hot) |
| Moment of inertia (J) | 66.9 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 59.0 dB(A) |
| Approx. weight³ | 1484 lb |
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 93.7 | 94.2 | 94.2 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.63 | 0.73 | 0.79 |
| Frame | 280S/M |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 50 Hz |
| Rated speed | 740 rpm |
| Slip | 1.33 % |
| Rated voltage | 415 V |
| Rated current | 70.9 A |
| L. R. Amperes | 425 A |
| LRC | 6.0 |
| No load current | 36.1 A |
| Rated torque | 350 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 250 % |
| Locked rotor time | 57s (cold) 32s (hot) |
| Moment of inertia (J) | 66.9 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 59.0 dB(A) |
| Approx. weight³ | 1484 lb |
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 93.4 | 94.1 | 94.3 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.60 | 0.71 | 0.77 |
| Frame | 280S/M |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 8 |
| Frequency | 60 Hz |
| Rated speed | 890 rpm |
| Slip | 1.11 % |
| Rated voltage | 460 V |
| Rated current | 64.1 A |
| L. R. Amperes | 429 A |
| LRC | 6.7 |
| No load current | 31.8 A |
| Rated torque | 291 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 270 % |
| Locked rotor time | 81s (cold) 45s (hot) |
| Moment of inertia (J) | 66.9 sq.ft.lb |
|---|---|
| Design | N |
| Insulation Class | F |
| Service factor | 1.25 |
| 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 | B3L(E) |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 63.0 dB(A) |
| Approx. weight³ | 1484 lb |
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 93.0 | 94.1 | 94.1 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.59 | 0.71 | 0.77 |
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 |
| Drain | Rubber, automatic |
| 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 |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
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