Description
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 230/460//190-220/380-415 V |
| Number of poles | 6 |
| Degree of Protection | IP55 |
| Synchronous speed | 1200 rpm |
| Output rating | 7.5 HP |
| Mounting | W-6 |
| Flange | C |
| Terminal box¹ | Left position |
| Enclosure | IC411 - TEFC |
Electric Motors
| Frame | 254/6TC |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 6 |
| Frequency | 60 Hz |
| Rated speed | 1175 rpm |
| Slip | 2.08 % |
| Rated voltage | 230/460 V |
| Rated current | 20.0/9.98 A |
| L. R. Amperes | 108/53.9 A |
| LRC | 5.4x(Code G) |
| No load current | 10.1/5.03 A |
| Rated torque | 33.5 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 229 % |
| Locked rotor time | 75s (cold) 42s (hot) |
| Moment of inertia (J) | 2.34 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 +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 | 59.0 dB(A) |
| Approx. weight³ | 222 lb |
Efficiency
| 50% | 89.5 |
|---|---|
| 75% | 89.5 |
| 100% | 91.0 |
Power factor
| 50% | 0.58 |
|---|---|
| 75% | 0.70 |
| 100% | 0.76 |
Electric Motors
| Frame | 254/6TC |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 965 rpm |
| Slip | 3.50 % |
| Rated voltage | 190-220/380 V |
| Rated current | 24.0-20.7/12.0 A |
| L. R. Amperes | 101-87.1/50.4 A |
| LRC | 4.2x(Code D) |
| No load current | 9.92-8.56/4.96 A |
| Rated torque | 40.8 ft.lb |
| Locked rotor torque | 150 % |
| Breakdown torque | 180 % |
| Locked rotor time | 0s (cold) 0s (hot) |
| Moment of inertia (J) | 2.34 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 | 57.0 dB(A) |
| Approx. weight³ | 222 lb |
Efficiency
| 50% | 89.9 |
|---|---|
| 75% | 89.5 |
| 100% | 88.0 |
Power factor
| 50% | 0.65 |
|---|---|
| 75% | 0.75 |
| 100% | 0.79 |
Electric Motors
| Frame | 254/6TC |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 975 rpm |
| Slip | 2.50 % |
| Rated voltage | 415 V |
| Rated current | 11.3 A |
| L. R. Amperes | 57.6 A |
| LRC | 5.1x(Code F) |
| No load current | 5.64 A |
| Rated torque | 40.4 ft.lb |
| Locked rotor torque | 190 % |
| Breakdown torque | 220 % |
| Locked rotor time | 0s (cold) 0s (hot) |
| Moment of inertia (J) | 2.34 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 | 57.0 dB(A) |
| Approx. weight³ | 222 lb |
Efficiency
| 50% | 89.4 |
|---|---|
| 75% | 89.8 |
| 100% | 89.0 |
Power factor
| 50% | 0.58 |
|---|---|
| 75% | 0.70 |
| 100% | 0.76 |
Features
| Frame Material | Rolled Steel |
|---|---|
| Impregnation Method | Dip and Bake Polyester |
| Regreasing System | At Drive end and Non-drive end |
| Main terminal box hole | 1.732" |
| Terminal Block | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | Munsell N 1 - Matte 207N (ISO 12944 - C2) |
| Grounding Lugs | Superior |
| Fan Cover material | Steel |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Bolt Material | Carbon Steel |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Resilient Base | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 12 |
