Severe Duty Motor, 20 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 256T Frame, TEFC
Severe Duty Motor, 20 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 256T Frame, TEFC
Part#: 256THFCD19033
Catalog#: W554A
Model#: 256THFCD19033AB
Weight: 319.73 lb
Key Features
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2047
- Meets IEEE-841 standard for severe duty applications
- 100% cast iron construction for rigidity and reduced vibration
- Inpro/Seal® VBX® bearing isolators on drive end shaft extension TENV and on both ends of TEFC
- IP56 protection
- MAX GUARD® Class H insulation system
- Constant torque for inverter duty
- Sintered bronze breather with brass drain & breather
- Bearing caps, Precision balanced to .08”/sec
- 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 Hp |
| Output KW | Output KW: 14.9 kW | Voltage | Voltage: 575 V |
| Speed | Speed: 1768 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: 40 °C | Frequency | Frequency: 60 Hz |
| Current | Current: 19.4 A | Power Factor | Power Factor: 83.5 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: H |
| 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: 6209 |
| UL | UL: Listed | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 56 |
| Number of Speeds | Number of Speeds: 1 | Hazardous Location | Hazardous Location: DIVISION 2 T2B |
| Electrical Type | Electrical Type: Squirrel Cage Inverter Rated | Starting Method | Starting Method: Line Or Inverter |
| Poles | Poles: 4 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .513 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 | Shaft Diameter | Shaft Diameter: 1.625 in |
| Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 CAPABLE | Inverter Load | Inverter Load: CONSTANT 10:1/VARIABLE 10:1 |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 19.4 A | Synchronous RPM | Synchronous RPM: 1800 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1768 rpm |
| Connection Drawing | Connection Drawing: EE7300 | Outline Drawing | Outline Drawing: SS208560-200 |
| Voltage | Voltage: 575 V | Output KW | Output KW: 14.9 kW |
| Output HP | Output HP: 20 Hp | Frame Size | Frame Size: 256 |
| Torque UOM | Torque UOM: LB-FT | Efficiency | Efficiency: 93 % |
| Packaged Length | Packaged Length: 30.75 IN | Weight | Weight: 319.73 LB |
| UPC | UPC: 722856192721 | Packaged Width | Packaged Width: 21.80 IN |
| Country of Origin | Country of Origin: Mexico | Packaged Height | Packaged Height: 19.00 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 8.00 | 25%: 8.96 | 50%: 11.84 | 75%: 15.20 | 100%: 19.36 | 115%: 22.24 | 125%: 24.00 |
| % of Rated Load: Rated Output (KW) | 0%: 0.50 | 25%: 4.30 | 50%: 8.10 | 75%: 12.00 | 100%: 16.10 | 115%: 18.60 | 125%: 20.40 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 86.5 | 50%: 91.7 | 75%: 93.0 | 100%: 93.0 | 115%: 92.4 | 125%: 91.7 |
| % of Rated Load: Power Factor (%) | 0%: 5.0 | 25%: 46.5 | 50%: 69.0 | 75%: 79.0 | 100%: 83.5 | 115%: 84.5 | 125%: 85.0 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,792 | 50%: 1,785 | 75%: 1,778 | 100%: 1,768 | 115%: 1,762 | 125%: 1,760 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 60.0 | 115%: 80.0 | 125%: 100.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.60 | 50%: 29.50 | 75%: 44.40 | 100%: 59.40 | 115%: 68.50 | 125%: 74.70 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Pull-Up | Current (Amps): 131.00 | Current (%): 541.0 | Torque (ft-lbs): 99.00 | Torque (%): 167.0 | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 10.00 | Current (%): 41.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): 5.0 | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 81.00 | Current (%): 335.0 | Torque (ft-lbs): 146.00 | Torque (%): 246.0 | Speed (RPM): 1,618 | Rated Output (KW): | Power Factor (%): 69.0 | Rated Output (Hp): 20.00 |
| Curvepoint: Full Load | Current (Amps): 24.20 | Current (%): 100.0 | Torque (ft-lbs): 59.40 | Torque (%): 100.0 | Speed (RPM): 1,768 | Rated Output (KW): | Power Factor (%): 83.5 | Rated Output (Hp): 20.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 144.00 | Current (%): 595.0 | Torque (ft-lbs): 119.00 | Torque (%): 200.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 42.0 | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 138.00 | Current (%): 570.0 | Torque (ft-lbs): 97.00 | Torque (%): 163.0 | Speed (RPM): 600 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 120.00 | Current (%): 496.0 | Torque (ft-lbs): 124.00 | Torque (%): 209.0 | Speed (RPM): 1,200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
Efficiency
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