Vertical Pump Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 256HPV Frame, TEFC
![](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" version="1.1" id="Layer_1" viewBox="0 0 515 515" xml:space="preserve"%3E%3Cstyle type="text/css"%3E.st0%7Bfill:%23FFFFFF;%7D.st1%7Bfill:%23D3D6DB;%7D%3C/style%3E%3Crect y="0" class="st0" width="515" height="515"/%3E%3Cpath class="st1" d="M352.6,198.7h-31.9v15.6h31.9V198.7z M279.3,293.6c-5.9,5.2-14.8,8.1-23,8.1c-22.2,0-39.3-17.8-39.3-40 c0-1.5,0-3.7,0-5.2L279.3,293.6z M296.3,261.7c0,2.2,0,5.2,0,5.9l-64.4-37.8c7.4-5.2,15.6-8.9,24.4-8.9 C278.6,221.7,296.3,240.2,296.3,261.7z M129.7,204.7v120c0,8.9,5.9,15.6,15.6,15.6h214.1l-65.9-37.8c-9.6,8.9-23,14.8-37.8,14.8 c-30.4,0-54.8-25.9-54.8-55.6c0-5.2,0-9.6,1.5-13.3L129.7,204.7z M115.6,170.6L406,341.7l5.2,2.2l-2.2,5.9l-2.2,2.2l-2.2,5.9 l-5.9-3.7L108.9,183.2l-5.9-3.7l3.7-5.2l1.5-2.2l3.7-5.9L115.6,170.6z M206.7,181.7l-1.5-9.6c-1.5-2.2-2.2-3.7-5.2-3.7h-15.6h-14.8 c-2.2,0-3.7,1.5-5.2,3.7l-2.2,9.6h-1.5h-11.9l68.1,40c9.6-9.6,24.4-15.6,39.3-15.6c31.9,0,55.6,25.2,55.6,55.6 c0,5.2-1.5,9.6-2.2,14.8l74.1,43.7V198.7c0-9.6-7.4-17-15.6-17h-15.6c-5.2-1.5-8.9-5.2-11.1-8.9l-2.2-3.7 c-3.7-5.9-11.9-11.1-18.5-11.1h-45.2c-7.4,0-15.6,5.2-19.3,11.1l-3.7,5.2c-2.2,2.2-5.9,5.9-9.6,7.4h-23h-11.1H206.7L206.7,181.7z"/%3E%3C/svg%3E)
Vertical Pump Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 256HPV Frame, TEFC
Part#: 256TTFNA7028
Catalog#: M893
Model#: 256TTFNA7028BC
Weight: 587 lb
Your Price: Login is Required
Key Features
- Normal thrust
- Class F insulation
- 1.15 Service Factor
- Suitable for 230 volt part winding start through 100 HP (dual voltage motors)
- Heavy duty lifting lugs
- Drip cover/canopy cap included
- UL Recognized and CSA Certified
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 Hp |
| Output KW | Output KW: 14.9 kW | Voltage | Voltage: 230/460 V |
| Speed | Speed: 1765 rpm | Service Factor | Service Factor: 1.15 |
| Frame | Frame: 256HPV | 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: 50.0/25.0 A | Power Factor | Power Factor: 82 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: F |
| Design Code | Design Code: B | KVA Code | KVA Code: F |
| 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: 4 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .468 Ohms | Mounting | Mounting: Round |
| Motor Orientation | Motor Orientation: Shaft Down | 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: HP | Overall Length | Overall Length: 28.26 in |
| Frame Length | Frame Length: 12.25 in | Shaft Diameter | Shaft Diameter: 1.625 in |
| Shaft Extension | Shaft Extension: 2.75 in | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 CAPABLE |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: HPV |
| Current | Current: 50.0/25.0 A | Synchronous RPM | Synchronous RPM: 1800 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1765 rpm |
| Connection Drawing | Connection Drawing: A-EE7308 | Outline Drawing | Outline Drawing: B-SS203116-1225 |
| Voltage | Voltage: 230/460 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 % |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 9.50 | 25%: 11.50 | 50%: 15.00 | 75%: 19.50 | 100%: 25.00 | 115%: 28.50 | 125%: 31.00 |
| % of Rated Load: Rated Output (KW) | 0%: 0.50 | 25%: 4.50 | 50%: 8.50 | 75%: 12.50 | 100%: 16.50 | 115%: 19.00 | 125%: 20.50 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 85.5 | 50%: 90.2 | 75%: 91.0 | 100%: 91.0 | 115%: 90.2 | 125%: 89.5 |
| % of Rated Load: Power Factor (%) | 0%: 7.0 | 25%: 48.0 | 50%: 70.0 | 75%: 79.5 | 100%: 82.0 | 115%: 84.0 | 125%: 84.5 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,790 | 50%: 1,785 | 75%: 1,775 | 100%: 1,765 | 115%: 1,760 | 125%: 1,755 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 70.0 | 115%: 90.0 | 125%: 105.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.50 | 50%: 29.50 | 75%: 44.50 | 100%: 59.50 | 115%: 68.50 | 125%: 75.00 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Locked-Rotor | Current (Amps): 140.00 | Current (%): 560.0 | Torque (ft-lbs): 108.00 | Torque (%): 182.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 41.5 | Rated Output (Hp): 20.00 |
| Curvepoint: Full Load | Current (Amps): 25.00 | Current (%): 100.0 | Torque (ft-lbs): 59.50 | Torque (%): 100.0 | Speed (RPM): 1,765 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Pull-Up | Current (Amps): 125.00 | Current (%): 500.0 | Torque (ft-lbs): 94.00 | Torque (%): 158.0 | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 115.00 | Current (%): 460.0 | Torque (ft-lbs): 105.00 | Torque (%): 176.0 | Speed (RPM): 1,250 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 9.50 | Current (%): 38.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 135.00 | Current (%): 540.0 | Torque (ft-lbs): 92.00 | Torque (%): 155.0 | Speed (RPM): 200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 86.00 | Current (%): 344.0 | Torque (ft-lbs): 145.00 | Torque (%): 244.0 | Speed (RPM): 1,625 | Rated Output (KW): | Power Factor (%): 67.0 | Rated Output (Hp): 20.00 |
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: cancel |
| Country: South Korea | Complies with standards: check_circle |