Description
The Rolled Steel motors line were developed for applications that demand performance, robustness and low weight integrated into a single product. The electrical and mechanical concept of the line make the motor present an optimum cost-benefit, providing reliability and energy savings.
| Standard | NEMA MG-1 |
|---|---|
| Frequency | 60//50 Hz |
| Voltage | 230/460//190-220/380-415 V |
| Number of poles | 6 |
| Synchronous speed | 1200 rpm |
| Output rating | 7.5 HP |
| Mounting | F-1 |
| Flange | C |
| Terminal box¹ | Left position |
| Enclosure | IC01 - ODP |
Electric Motors
| Frame | 254/6JM |
|---|---|
| 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 | 20.4/10.2 A |
| L. R. Amperes | 104/52.0 A |
| LRC | 5.1x(Code F) |
| No load current | 10.7/5.37 A |
| Rated torque | 33.5 ft.lb |
| Locked rotor torque | 200 % |
| Breakdown torque | 229 % |
| Locked rotor time | 66s (cold) 37s (hot) |
| Moment of inertia (J) | 2.00 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. |
| Enclosure | IC01 - ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 59.0 dB(A) |
| Approx. weight³ | 202 lb |
Efficiency
| 50% | 88.5 |
|---|---|
| 75% | 90.2 |
| 100% | 90.2 |
Power factor
| 50% | 0.56 |
|---|---|
| 75% | 0.68 |
| 100% | 0.75 |
Electric Motors
| Frame | 254/6JM |
|---|---|
| Output | 7.5 HP (5.5 kW) |
| Number of Poles | 6 |
| Frequency | 50 Hz |
| Rated speed | 970 rpm |
| Slip | 3.00 % |
| Rated voltage | 190-220/380 V |
| Rated current | 24.4-21.1/12.2 A |
| L. R. Amperes | 97.6-84.3/48.8 A |
| LRC | 4.0x(Code D) |
| No load current | 10.6-9.15/5.30 A |
| Rated torque | 40.6 ft.lb |
| Locked rotor torque | 140 % |
| Breakdown torque | 180 % |
| Locked rotor time | 0s (cold) 0s (hot) |
| Moment of inertia (J) | 2.00 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. |
| Enclosure | IC01 - ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 57.0 dB(A) |
| Approx. weight³ | 202 lb |
Efficiency
| 50% | 89.3 |
|---|---|
| 75% | 89.1 |
| 100% | 88.0 |
Power factor
| 50% | 0.63 |
|---|---|
| 75% | 0.74 |
| 100% | 0.78 |
Electric Motors
| Frame | 254/6JM |
|---|---|
| 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 | 11.5 A |
| L. R. Amperes | 55.2 A |
| LRC | 4.8x(Code F) |
| No load current | 6.11 A |
| Rated torque | 40.4 ft.lb |
| Locked rotor torque | 180 % |
| Breakdown torque | 220 % |
| Locked rotor time | 0s (cold) 0s (hot) |
| Moment of inertia (J) | 2.00 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. |
| Enclosure | IC01 - ODP |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Noise level² | 57.0 dB(A) |
| Approx. weight³ | 202 lb |
Efficiency
| 50% | 88.6 |
|---|---|
| 75% | 89.3 |
| 100% | 88.5 |
Power factor
| 50% | 0.56 |
|---|---|
| 75% | 0.69 |
| 100% | 0.75 |
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 |
| Shaft Material | SAE 1040/45 Carbon Steel |
| Painting | Munsell N 1 - Matte 207N (ISO 12944 - C2) |
| Grounding Lugs | Superior |
| Fan Cover material | Without Fan Cover |
| Tropicalized Painting | Without |
| Fan material | Without fan |
| 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 |
