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 | 20 HP |
Mounting | F-1 |
Flange | Without |
Terminal box¹ | Left position |
Enclosure | IC01 - ODP |
Electric Motors
Frame | 254T |
---|---|
Output | 20 HP (15 kW) |
Number of Poles | 2 |
Frequency | 60 Hz |
Rated speed | 3535 rpm |
Slip | 1.81 % |
Rated voltage | 230/460 V |
Rated current | 48.6/24.3 A |
L. R. Amperes | 306/153 A |
LRC | 6.3x(Code G) |
No load current | 16.8/8.40 A |
Rated torque | 29.7 ft.lb |
Locked rotor torque | 200 % |
Breakdown torque | 280 % |
Locked rotor time | 21s (cold) 12s (hot) |
Moment of inertia (J) | 0.8718 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 | 216 lb |
Efficiency
50% | 90.2 |
---|---|
75% | 91.0 |
100% | 91.0 |
Power factor
50% | 0.72 |
---|---|
75% | 0.82 |
100% | 0.85 |
Electric Motors
Frame | 254T |
---|---|
Output | 15 HP (11 kW) |
Number of Poles | 2 |
Frequency | 50 Hz |
Rated speed | 2945 rpm |
Slip | 1.83 % |
Rated voltage | 380 V |
Rated current | 21.6 A |
L. R. Amperes | 147 A |
LRC | 6.8x(Code H) |
No load current | 8.00 A |
Rated torque | 26.7 ft.lb |
Locked rotor torque | 200 % |
Breakdown torque | 290 % |
Locked rotor time | 18s (cold) 10s (hot) |
Moment of inertia (J) | 0.8718 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 | 216 lb |
Efficiency
50% | 88.0 |
---|---|
75% | 88.5 |
100% | 91.2 |
Power factor
50% | 0.69 |
---|---|
75% | 0.80 |
100% | 0.85 |
Electric Motors
Frame | 254T |
---|---|
Output | 15 HP (11 kW) |
Number of Poles | 2 |
Frequency | 50 Hz |
Rated speed | 2950 rpm |
Slip | 1.67 % |
Rated voltage | 400 V |
Rated current | 21.2 A |
L. R. Amperes | 142 A |
LRC | 6.7x(Code H) |
No load current | 9.30 A |
Rated torque | 26.7 ft.lb |
Locked rotor torque | 220 % |
Breakdown torque | 320 % |
Locked rotor time | 19s (cold) 11s (hot) |
Moment of inertia (J) | 0.8718 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 | 216 lb |
Efficiency
50% | 88.1 |
---|---|
75% | 88.6 |
100% | 91.2 |
Power factor
50% | 0.62 |
---|---|
75% | 0.75 |
100% | 0.82 |
Electric Motors
Frame | 254T |
---|---|
Output | 15 HP (11 kW) |
Number of Poles | 2 |
Frequency | 50 Hz |
Rated speed | 2955 rpm |
Slip | 1.50 % |
Rated voltage | 415 V |
Rated current | 21.5 A |
L. R. Amperes | 148 A |
LRC | 6.9x(Code J) |
No load current | 10.3 A |
Rated torque | 26.7 ft.lb |
Locked rotor torque | 229 % |
Breakdown torque | 350 % |
Locked rotor time | 19s (cold) 11s (hot) |
Moment of inertia (J) | 0.8718 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 | 216 lb |
Efficiency
50% | 88.2 |
---|---|
75% | 88.7 |
100% | 91.2 |
Power factor
50% | 0.57 |
---|---|
75% | 0.70 |
100% | 0.78 |
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 |