Description
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 50 Hz |
| Voltage | 380-415 V |
| Number of poles | 4 |
| Degree of Protection | IP55 |
| Synchronous speed | 1500 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 | 50 Hz |
| Rated speed | 1440 rpm |
| Slip | 4.00 % |
| Rated voltage | 380 V |
| Rated current | 28.8 A |
| L. R. Amperes | 153 A |
| LRC | 5.3x(Code F) |
| No load current | 8.50 A |
| Rated torque | 72.9 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 200 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 2.74 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 +50°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 | 320 lb |
Efficiency
| 50% | 91.0 |
|---|---|
| 75% | 91.0 |
| 100% | 91.0 |
Power factor
| 50% | 0.75 |
|---|---|
| 75% | 0.83 |
| 100% | 0.87 |
Electric Motors
| Frame | 254/6T |
|---|---|
| Output | 20 HP (15 kW) |
| Number of Poles | 4 |
| Frequency | 50 Hz |
| Rated speed | 1455 rpm |
| Slip | 3.00 % |
| Rated voltage | 415 V |
| Rated current | 27.0 A |
| L. R. Amperes | 173 A |
| LRC | 6.4x(Code G) |
| No load current | 9.60 A |
| Rated torque | 72.2 ft.lb |
| Locked rotor torque | 235 % |
| Breakdown torque | 254 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 2.74 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 +50°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 | 320 lb |
Efficiency
| 50% | 91.0 |
|---|---|
| 75% | 91.0 |
| 100% | 91.0 |
Power factor
| 50% | 0.71 |
|---|---|
| 75% | 0.81 |
| 100% | 0.85 |
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 3002 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 | 6 |
