20,1800,TEFC,256T,3/60/380-400YD
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20,1800,TEFC,256T,3/60/380-400YD
Part#: 256TTFNA16871
Catalog#: 256TTFNA16871
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Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 Hp |
| Output KW | Output KW: 14.9 kW | Voltage | Voltage: 380-400 V |
| Speed | Speed: 1775 rpm | Service Factor | Service Factor: 1.15 |
| Frame | Frame: 256T | Enclosure | Enclosure: Totally Enclosed Fan Cooled |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 93 % |
| Ambient Temperature | Ambient Temperature: 50 °C | Frequency | Frequency: 60 Hz |
| Current | Current: 29.0-28.0 A | Power Factor | Power Factor: 81.5 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: F |
| Design Code | Design Code: B | KVA Code | KVA Code: G |
| Drive End Bearing Size | Drive End Bearing Size: 6309 | Opp Drive End Bearing Size | Opp Drive End Bearing Size: 6210 |
| UL | UL: Recognized | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 55 |
| Number of Speeds | Number of Speeds: 1 |
| Electrical Type | Electrical Type: Squirrel Cage Inverter Rated | Starting Method | Starting Method: Wye Start Delta Run Or Inverter |
| Poles | Poles: 4 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .288 Ohms | Mounting | Mounting: Rigid Base |
| Motor Orientation | Motor Orientation: Horizontal | Drive End Bearing | Drive End Bearing: Ball |
| Opp Drive End Bearing | Opp Drive End Bearing: Ball | Frame Material | Frame Material: Cast Iron |
| Shaft Type | Shaft Type: T | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 CAPABLE |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 29.0-28.0 A | Frequency | Frequency: 60 Hz |
| Speed | Speed: 1775 rpm | Connection Drawing | Connection Drawing: A-EE7340 |
| Outline Drawing | Outline Drawing: B-SS203002-1225 | Voltage | Voltage: 380-400 V |
| Output KW | Output KW: 14.9 kW | Output HP | Output HP: 20 Hp |
| Frame Size | Frame Size: 256 | Efficiency | Efficiency: 93 % |
| Country of Origin | Country of Origin: United States of America |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 12.20 | 25%: 13.80 | 50%: 17.50 | 75%: 22.50 | 100%: 28.00 | 115%: 32.00 | 125%: 34.50 |
| % of Rated Load: Rated Output (KW) | 0%: 0.60 | 25%: 4.00 | 50%: 8.00 | 75%: 12.00 | 100%: 16.00 | 115%: 18.00 | 125%: 20.50 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 89.5 | 50%: 92.4 | 75%: 93.0 | 100%: 93.0 | 115%: 93.0 | 125%: 92.4 |
| % of Rated Load: Power Factor (%) | 0%: 4.5 | 25%: 44.0 | 50%: 65.0 | 75%: 76.0 | 100%: 81.5 | 115%: 83.0 | 125%: 83.5 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,795 | 50%: 1,785 | 75%: 1,780 | 100%: 1,775 | 115%: 1,770 | 125%: 1,760 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 65.0 | 115%: 85.0 | 125%: 105.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.50 | 50%: 29.50 | 75%: 44.50 | 100%: 59.20 | 115%: 68.00 | 125%: 74.50 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Locked-Rotor | Current (Amps): 166.00 | Current (%): | Torque (ft-lbs): 126.00 | Torque (%): 212.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 40.0 | Rated Output (Hp): 20.00 |
| Curvepoint: Pull-Up | Current (Amps): 170.00 | Current (%): | Torque (ft-lbs): 105.00 | Torque (%): | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Full Load | Current (Amps): 28.00 | Current (%): 100.0 | Torque (ft-lbs): 59.20 | Torque (%): 100.0 | Speed (RPM): 1,775 | Rated Output (KW): | Power Factor (%): 81.5 | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 12.20 | Current (%): | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): 4.5 | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 160.00 | Current (%): | Torque (ft-lbs): 115.00 | Torque (%): | Speed (RPM): 1,200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 175.00 | Current (%): | Torque (ft-lbs): 105.00 | Torque (%): | Speed (RPM): 600 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 110.00 | Current (%): | Torque (ft-lbs): 165.00 | Torque (%): 275.0 | Speed (RPM): 1,675 | Rated Output (KW): | Power Factor (%): 67.0 | Rated Output (Hp): 20.00 |
Efficiency
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