Description
Standard | NEMA MG-1 |
---|---|
Frequency | 60//50 Hz |
Voltage | 230/460//380 V |
Number of poles | 2 |
Degree of Protection | IP23 |
Synchronous speed | 3600 rpm |
Output rating | 25 HP |
Mounting | F-1 |
Flange | Without |
Terminal box¹ | Left position |
Enclosure | IC01 - ODP |
Electric Motors
Frame | 254/6T |
---|---|
Output | 25 HP (18.5 kW) |
Number of Poles | 2 |
Frequency | 60 Hz |
Rated speed | 3535 rpm |
Slip | 1.81 % |
Rated voltage | 230/460 V |
Rated current | 57.6/28.8 A |
L. R. Amperes | 374/187 A |
LRC | 6.5x(Code G) |
No load current | 17.0/8.50 A |
Rated torque | 37.1 ft.lb |
Locked rotor torque | 200 % |
Breakdown torque | 280 % |
Locked rotor time | 19s (cold) 11s (hot) |
Moment of inertia (J) | 1.13 sq.ft.lb |
Design | B |
Insulation Class | F |
Service factor | 1.25 |
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 | IP23 |
Enclosure | IC01 - ODP |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Approx. weight³ | 248 lb |
Efficiency
50% | 91.0 |
---|---|
75% | 91.7 |
100% | 91.7 |
Power factor
50% | 0.77 |
---|---|
75% | 0.85 |
100% | 0.88 |
Electric Motors
Frame | 254/6T |
---|---|
Output | 20 HP (15 kW) |
Number of Poles | 2 |
Frequency | 50 Hz |
Rated speed | 2935 rpm |
Slip | 2.17 % |
Rated voltage | 380 V |
Rated current | 28.2 A |
L. R. Amperes | 192 A |
LRC | 6.8x(Code H) |
No load current | 8.20 A |
Rated torque | 35.8 ft.lb |
Locked rotor torque | 200 % |
Breakdown torque | 260 % |
Locked rotor time | 14s (cold) 8s (hot) |
Moment of inertia (J) | 1.13 sq.ft.lb |
Design | B |
Insulation Class | F |
Service factor | 1.00 |
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 | IP23 |
Enclosure | IC01 - ODP |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Approx. weight³ | 248 lb |
Efficiency
50% | 89.5 |
---|---|
75% | 89.9 |
100% | 91.9 |
Power factor
50% | 0.77 |
---|---|
75% | 0.85 |
100% | 0.88 |
Electric Motors
Frame | 254/6T |
---|---|
Output | 20 HP (15 kW) |
Number of Poles | 2 |
Frequency | 50 Hz |
Rated speed | 2945 rpm |
Slip | 1.83 % |
Rated voltage | 400 V |
Rated current | 27.4 A |
L. R. Amperes | 186 A |
LRC | 6.8x(Code H) |
No load current | 9.10 A |
Rated torque | 35.7 ft.lb |
Locked rotor torque | 220 % |
Breakdown torque | 300 % |
Locked rotor time | 18s (cold) 10s (hot) |
Moment of inertia (J) | 1.13 sq.ft.lb |
Design | B |
Insulation Class | F |
Service factor | 1.00 |
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 | IP23 |
Enclosure | IC01 - ODP |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Approx. weight³ | 248 lb |
Efficiency
50% | 89.6 |
---|---|
75% | 90.1 |
100% | 91.9 |
Power factor
50% | 0.73 |
---|---|
75% | 0.82 |
100% | 0.86 |
Electric Motors
Frame | 254/6T |
---|---|
Output | 20 HP (15 kW) |
Number of Poles | 2 |
Frequency | 50 Hz |
Rated speed | 2950 rpm |
Slip | 1.67 % |
Rated voltage | 415 V |
Rated current | 27.0 A |
L. R. Amperes | 200 A |
LRC | 7.4x(Code J) |
No load current | 10.0 A |
Rated torque | 35.6 ft.lb |
Locked rotor torque | 229 % |
Breakdown torque | 320 % |
Locked rotor time | 14s (cold) 8s (hot) |
Moment of inertia (J) | 1.13 sq.ft.lb |
Design | B |
Insulation Class | F |
Service factor | 1.00 |
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 | IP23 |
Enclosure | IC01 - ODP |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Approx. weight³ | 248 lb |
Efficiency
50% | 89.6 |
---|---|
75% | 90.1 |
100% | 91.9 |
Power factor
50% | 0.69 |
---|---|
75% | 0.79 |
100% | 0.84 |
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 |
Shaft Material | SAE 1040/45 Carbon Steel |
Painting | Munsell N 1 - Matte 203A (ISO 12944 - C2) |
Grounding Lugs | Single |
Fan Cover material | Without Fan Cover |
Tropicalized Painting | Without |
Fan material | Without fan |
Bearing cap | No-Without Bearing Cap |
Bolt Material | Carbon Steel |
Balancing Method | 1/2 Key |
Drip Cover | Without |
Overload protector (phenolic) | Without overload protector |
Connection Cables Quantity | 12 |