Severe Duty Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256T Frame, TEFC
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Severe Duty Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256T Frame, TEFC
Part#: 256TTFCD16574
Catalog#: U872B
Model#: 256TTFCD16574AB
Weight: 386 lb
List Price: $5,841.00
Your Price: Login is Required
Key Features
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
- IP55 enclosure on cast iron frames
- Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque
- Class F Insulation 40C Max Ambient, 1.0SF on Inveter Power and 1.15SF on Sine Wave Power
- Standard F1, reversible to F2 assembly. Dual frame mounting holes.
- C-face addition may result in non-NEMA "BA" dim. For new "BA" dim consult chart found in modification section
- Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B
- UL® Recognized & CSA certified and CE® Mark
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 & 15 Hp |
| Output KW | Output KW: 14.9 & 11.2 kW | Voltage | Voltage: 230/460 & 190/380 V |
| Speed | Speed: 1768 & 1472 rpm | Service Factor | Service Factor: 1.15 & 1.15 |
| Frame | Frame: 256T | Enclosure | Enclosure: Totally Enclosed Fan Cooled |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 93 & 92.7 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 & 50 Hz |
| Current | Current: 48.5/24.2 & 44.5/22.3 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: 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: 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: 1.626 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: 48.5/24.2 A | Synchronous RPM | Synchronous RPM: 1800 & 1500 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1768 rpm |
| Connection Drawing | Connection Drawing: EE7308 | Outline Drawing | Outline Drawing: SS208560-200 |
| Voltage | Voltage: 230/460 V | Output KW | Output KW: 14.9 kW |
| Output HP | Output HP: 20 Hp | Frame Size | Frame Size: 256 |
| Efficiency | Efficiency: 93 % | Packaged Length | Packaged Length: 35.00 IN |
| Weight | Weight: 386.00 LB | UPC | UPC: 722856214270 |
| Packaged Width | Packaged Width: 25.00 IN | Country of Origin | Country of Origin: Mexico |
| Packaged Height | Packaged Height: 20.00 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 10.00 | 25%: 11.20 | 50%: 14.80 | 75%: 19.00 | 100%: 24.20 | 115%: 27.80 | 125%: 30.00 |
| % 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%: 65.0 | 115%: 85.0 | 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: 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: 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: 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: 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: 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: 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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