Other Purpose Motor, 25 & 20 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 3600 & 3000 RPM, 256TC Frame, DP
![](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)
Other Purpose Motor, 25 & 20 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 3600 & 3000 RPM, 256TC Frame, DP
Part#: 256TTDX4315
Catalog#: U439
Model#: 256TTDX4315BA
Weight: 185 lb
Key Features
- Ball bearings, mechanically locked on shaft end (excludes 5K models)
- NEMA Service Factors
- UL Recognized and CSA Certified
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 25 & 20 Hp |
| Output KW | Output KW: 18.7 & 14.9 kW | Voltage | Voltage: 230/460 & 190/380 V |
| Speed | Speed: 3520 & 2925 rpm | Service Factor | Service Factor: 1.15 & 1.15 |
| Frame | Frame: 256TC | Enclosure | Enclosure: Drip Proof |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 91 & 91 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 & 50 Hz |
| Current | Current: 58/29 & 55/27.5 A | Power Factor | Power Factor: 88.3 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: B |
| 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: 6208 |
| UL | UL: Recognized | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 12 |
| Number of Speeds | Number of Speeds: 1 |
| Electrical Type | Electrical Type: Squirrel Cage Induction Run | Starting Method | Starting Method: Part Wdg Start Low Volt Only & Wye Start Delta Run |
| Poles | Poles: 2 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .365 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: Rolled Steel |
| Shaft Type | Shaft Type: T | Overall Length | Overall Length: 22.64 in |
| Frame Length | Frame Length: 15.15 in | Shaft Diameter | Shaft Diameter: 1.630 in |
| Shaft Extension | Shaft Extension: 3.75 in | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 CAPABLE |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: TC |
| Current | Current: 58.0/29.0 A | Synchronous RPM | Synchronous RPM: 3600 & 3000 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 3520 rpm |
| Connection Drawing | Connection Drawing: A-EE7358 | Outline Drawing | Outline Drawing: A-SS86506-1515 |
| Voltage | Voltage: 230/460 V | Output KW | Output KW: 18.7 kW |
| Output HP | Output HP: 25 Hp | Frame Size | Frame Size: 256 |
| Torque UOM | Torque UOM: LB-FT | Efficiency | Efficiency: 91 % |
| Packaged Length | Packaged Length: 26.50 IN | Weight | Weight: 185.00 LB |
| UPC | UPC: 722856012104 | Packaged Width | Packaged Width: 18.00 IN |
| Country of Origin | Country of Origin: United States of America | Packaged Height | Packaged Height: 14.38 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 8.50 | 25%: 11.50 | 50%: 16.50 | 75%: 22.00 | 100%: 29.00 | 115%: 33.00 | 125%: 36.50 |
| % of Rated Load: Rated Output (KW) | 0%: 0.50 | 25%: 5.20 | 50%: 10.00 | 75%: 15.00 | 100%: 20.50 | 115%: 23.50 | 125%: 25.50 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 89.5 | 50%: 91.0 | 75%: 92.4 | 100%: 91.0 | 115%: 91.0 | 125%: 90.2 |
| % of Rated Load: Power Factor (%) | 0%: 6.0 | 25%: 56.0 | 50%: 79.0 | 75%: 85.0 | 100%: 88.3 | 115%: 89.0 | 125%: 89.0 |
| % of Rated Load: Speed (RPM) | 0%: 3,600 | 25%: 3,580 | 50%: 3,565 | 75%: 3,545 | 100%: 3,520 | 115%: 3,510 | 125%: 3,500 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 55.0 | 115%: 65.0 | 125%: 80.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 9.20 | 50%: 18.50 | 75%: 28.00 | 100%: 37.50 | 115%: 43.00 | 125%: 47.00 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Break-Down | Current (Amps): 125.00 | Current (%): 431.0 | Torque (ft-lbs): 110.00 | Torque (%): 293.0 | Speed (RPM): 3,100 | Rated Output (KW): | Power Factor (%): 70.5 | Rated Output (Hp): 25.00 |
| Curvepoint: Full Load | Current (Amps): 29.00 | Current (%): 100.0 | Torque (ft-lbs): 37.50 | Torque (%): 100.0 | Speed (RPM): 3,520 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 25.00 |
| Curvepoint: Pull-Up | Current (Amps): 165.00 | Current (%): 569.0 | Torque (ft-lbs): 65.00 | Torque (%): 173.0 | Speed (RPM): 1,500 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 25.00 |
| Curvepoint: 1/3 | Current (Amps): 175.00 | Current (%): 603.0 | Torque (ft-lbs): 62.00 | Torque (%): 165.0 | Speed (RPM): 1,000 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 25.00 |
| Curvepoint: 2/3 | Current (Amps): 150.00 | Current (%): 517.0 | Torque (ft-lbs): 77.00 | Torque (%): 205.0 | Speed (RPM): 2,100 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 25.00 |
| Curvepoint: No Load | Current (Amps): 9.50 | Current (%): 33.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 3,600 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 25.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 182.00 | Current (%): 628.0 | Torque (ft-lbs): 72.00 | Torque (%): 192.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 41.5 | Rated Output (Hp): 25.00 |
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: cancel |
| Country: Europe | Complies with standards: cancel |
| 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 |