Severe Duty Motor, 20 HP, 3 Ph, 60 Hz, 460 V, 3600 RPM, 256T Frame, TEFC
Severe Duty Motor, 20 HP, 3 Ph, 60 Hz, 460 V, 3600 RPM, 256T Frame, TEFC
Part#: 256THFCD9001
Catalog#: W551A
Model#: 256THFCD9001BC
Weight: 338 lb
List Price: $5,182.00
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Key Features
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2008
- 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: 460 V |
| Speed | Speed: 3540 rpm | Service Factor | Service Factor: 1.15 |
| Frame | Frame: 256T | Enclosure | Enclosure: Totally Enclosed Fan Cooled |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 91 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 Hz |
| Current | Current: 23.7 A | Power Factor | Power Factor: 87.5 |
| 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: 2 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .546 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 2:1/VARIABLE 10:1 |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 23.7 A | Synchronous RPM | Synchronous RPM: 3600 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 3540 rpm |
| Connection Drawing | Connection Drawing: EE7300 | Outline Drawing | Outline Drawing: SS208560-200 |
| Voltage | Voltage: 460 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: 91 % |
| Packaged Length | Packaged Length: 30.75 IN | Weight | Weight: 338.00 LB |
| UPC | UPC: 722856190307 | Packaged Width | Packaged Width: 21.75 IN |
| Country of Origin | Country of Origin: Mexico | Packaged Height | Packaged Height: 18.52 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 8.10 | 25%: 10.00 | 50%: 13.60 | 75%: 18.30 | 100%: 23.70 | 115%: 27.10 | 125%: 29.50 |
| % of Rated Load: Rated Output (KW) | 0%: 0.90 | 25%: 4.40 | 50%: 8.30 | 75%: 12.30 | 100%: 16.50 | 115%: 19.00 | 125%: 20.80 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 84.5 | 50%: 89.5 | 75%: 91.0 | 100%: 91.0 | 115%: 90.6 | 125%: 89.9 |
| % of Rated Load: Power Factor (%) | 0%: 9.0 | 25%: 56.0 | 50%: 76.5 | 75%: 84.0 | 100%: 87.5 | 115%: 88.5 | 125%: 88.5 |
| % of Rated Load: Speed (RPM) | 0%: 3,600 | 25%: 3,585 | 50%: 3,570 | 75%: 3,555 | 100%: 3,540 | 115%: 3,530 | 125%: 3,522 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 75.0 | 115%: 105.0 | 125%: 0.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 7.30 | 50%: 14.70 | 75%: 22.00 | 100%: 29.70 | 115%: 34.00 | 125%: 37.00 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Full Load | Current (Amps): 23.70 | Current (%): 100.0 | Torque (ft-lbs): 29.70 | Torque (%): 100.0 | Speed (RPM): 3,540 | Rated Output (KW): | Power Factor (%): 87.5 | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 8.10 | Current (%): 34.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 3,600 | Rated Output (KW): | Power Factor (%): 9.0 | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 134.00 | Current (%): 565.0 | Torque (ft-lbs): 40.00 | Torque (%): 135.0 | Speed (RPM): 1,200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 83.00 | Current (%): 350.0 | Torque (ft-lbs): 74.00 | Torque (%): 249.0 | Speed (RPM): 3,258 | Rated Output (KW): | Power Factor (%): 73.0 | Rated Output (Hp): 20.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 143.00 | Current (%): 603.0 | Torque (ft-lbs): 49.00 | Torque (%): 165.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 38.0 | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 118.00 | Current (%): 498.0 | Torque (ft-lbs): 50.00 | Torque (%): 168.0 | Speed (RPM): 2,400 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Pull-Up | Current (Amps): 128.00 | Current (%): 540.0 | Torque (ft-lbs): 41.00 | Torque (%): 138.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
Efficiency
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