General Purpose Motor, 7.50 & 5 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 900 & 750 RPM, 256T Frame, TEFC
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General Purpose Motor, 7.50 & 5 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 900 & 750 RPM, 256T Frame, TEFC
Part#: 256TTFNA14101
Catalog#: L413A
Model#: 256TTFNA14101AA
Weight: 289 lb
Key Features
- Frame constructions are heavy gauge steel or Aluminum, as noted
- 1.15 Service Factor
- Nameplated 60/50 hertz at next lowest horsepower
- Motor will accept a C-face kit
- Severe duty kits available.
- Shaft slinger, Regreasable bearings (182T and larger), lead lugs (364T and larger), and bearing caps on 444T and larger
- Ball Bearings, except where noted
- UL Recognized and CSA Certified
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 7.50 & 5 Hp |
| Output KW | Output KW: 5.6 & 3.7 kW | Voltage | Voltage: 230/460 & 190/380 V |
| Speed | Speed: 872 & 728 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: 86.2 & 85.5 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 & 50 Hz |
| Current | Current: 23/11.5 & 20.4/10.2 A | Power Factor | Power Factor: 70 |
| 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: 43 |
| Number of Speeds | Number of Speeds: 1 |
| Electrical Type | Electrical Type: Squirrel Cage Induction Run | Starting Method | Starting Method: Across The Line |
| Poles | Poles: 8 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: 1.38 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 | Overall Length | Overall Length: 25.27 in |
| Frame Length | Frame Length: 12.25 in | Shaft Diameter | Shaft Diameter: 1.625 in |
| Shaft Extension | Shaft Extension: 4.2 in | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 Capable |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 23.0/11.5 A | Synchronous RPM | Synchronous RPM: 900 & 750 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 872 rpm |
| Connection Drawing | Connection Drawing: A-EE7308 | Outline Drawing | Outline Drawing: B-SS203015-1225 |
| Voltage | Voltage: 230/460 V | Output KW | Output KW: 5.6 kW |
| Output HP | Output HP: 7.50 Hp | Frame Size | Frame Size: 256 |
| Torque UOM | Torque UOM: LB-FT | Efficiency | Efficiency: 86.2 % |
| Packaged Length | Packaged Length: 31.25 IN | Weight | Weight: 289.00 LB |
| UPC | UPC: 722856014528 | Packaged Width | Packaged Width: 22.25 IN |
| HTC | HTC: 8501.52.4000 | Country of Origin | Country of Origin: United States of America |
| Packaged Height | Packaged Height: 18.00 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 6.80 | 25%: 7.20 | 50%: 8.20 | 75%: 9.70 | 100%: 11.50 | 115%: 12.80 | 125%: 13.80 |
| % of Rated Load: Rated Output (KW) | 0%: 0.50 | 25%: 1.80 | 50%: 3.30 | 75%: 5.00 | 100%: 6.50 | 115%: 7.50 | 125%: 8.20 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 77.5 | 50%: 84.0 | 75%: 85.5 | 100%: 86.5 | 115%: 86.5 | 125%: 85.5 |
| % of Rated Load: Power Factor (%) | 0%: 6.5 | 25%: 32.0 | 50%: 50.0 | 75%: 62.5 | 100%: 70.0 | 115%: 73.0 | 125%: 74.0 |
| % of Rated Load: Speed (RPM) | 0%: 900 | 25%: 892 | 50%: 885 | 75%: 880 | 100%: 872 | 115%: 865 | 125%: 862 |
| % 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%: 11.00 | 50%: 22.20 | 75%: 33.60 | 100%: 45.20 | 115%: 52.50 | 125%: 57.00 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Pull-Up | Current (Amps): 52.00 | Current (%): 452.0 | Torque (ft-lbs): 82.00 | Torque (%): 181.0 | Speed (RPM): 350 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 7.50 |
| Curvepoint: 1/3 | Current (Amps): 56.00 | Current (%): 487.0 | Torque (ft-lbs): 80.00 | Torque (%): 177.0 | Speed (RPM): 150 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 7.50 |
| Curvepoint: Full Load | Current (Amps): 11.50 | Current (%): 100.0 | Torque (ft-lbs): 45.20 | Torque (%): 100.0 | Speed (RPM): 872 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 7.50 |
| Curvepoint: No Load | Current (Amps): 6.80 | Current (%): 59.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 7.50 |
| Curvepoint: 2/3 | Current (Amps): 48.00 | Current (%): 417.0 | Torque (ft-lbs): 88.00 | Torque (%): 195.0 | Speed (RPM): 600 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 7.50 |
| Curvepoint: Break-Down | Current (Amps): 35.00 | Current (%): 304.0 | Torque (ft-lbs): 105.00 | Torque (%): 232.0 | Speed (RPM): 750 | Rated Output (KW): | Power Factor (%): 64.0 | Rated Output (Hp): 7.50 |
| Curvepoint: Locked-Rotor | Current (Amps): 58.00 | Current (%): 504.0 | Torque (ft-lbs): 90.00 | Torque (%): 199.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 45.0 | Rated Output (Hp): 7.50 |
Efficiency
| Country | Complies with standards |
|---|---|
| Country: United States | Complies with standards: cancel |
| Country: Canada | Complies with standards: cancel |
| Country: Mexico | Complies with standards: check_circle |
| Country: Australia | Complies with standards: check_circle |
| Country: Brazil | Complies with standards: check_circle |
| Country: Chile | Complies with standards: check_circle |
| Country: China | Complies with standards: check_circle |
| Country: Europe | Complies with standards: check_circle |
| Country: Japan | Complies with standards: check_circle |
| Country: New Zealand | Complies with standards: check_circle |
| Country: Saudi Arabia | Complies with standards: check_circle |
| Country: South Korea | Complies with standards: check_circle |