Severe Duty Motor, 250 HP, 3 Ph, 60 Hz, 460 V, 1800 RPM, 445T Frame, TEFC
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Severe Duty Motor, 250 HP, 3 Ph, 60 Hz, 460 V, 1800 RPM, 445T Frame, TEFC
Part#: 445TTFN6540
Catalog#: E450
Model#: 445TTFN6540ED
Weight: 2375 lb
Key Features
- Meets or exceeds NEMA Premium® efficiencies, except where noted NEMA Premium® models are in compliance with EISA2007
- Bearing Current Protection (BCP), as noted
- Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
- Provisions to add stub shaft for an encoder (182T-449T, TEFC only)
- Internal and external epoxy paint
- MAX GUARD® Class F insulation system
- Constant Torque speed range is listed in CT SPEED RANGE column
- 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
- Bearing caps (254T and larger), Precision balanced to .08”/sec
- Meets IEEE45 USCG Marine Duty, IP54 Construction, Meets Ford EM1 Automotive Duty Specification
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 250 Hp |
| Output KW | Output KW: 187 kW | Voltage | Voltage: 460 V |
| Speed | Speed: 1785 rpm | Service Factor | Service Factor: 1.15 |
| Frame | Frame: 445T | Enclosure | Enclosure: Totally Enclosed Fan Cooled |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 95.8 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 Hz |
| Current | Current: 285 A | Power Factor | Power Factor: 86 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: F |
| Design Code | Design Code: A | KVA Code | KVA Code: H |
| Drive End Bearing Size | Drive End Bearing Size: NU318 | Opp Drive End Bearing Size | Opp Drive End Bearing Size: 6316 |
| UL | UL: Recognized | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 54 |
| 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: .0145 Ohms | Mounting | Mounting: Rigid Base |
| Motor Orientation | Motor Orientation: Horizontal | Drive End Bearing | Drive End Bearing: Roller |
| Opp Drive End Bearing | Opp Drive End Bearing: Ball | Frame Material | Frame Material: Cast Iron |
| Shaft Type | Shaft Type: T | Overall Length | Overall Length: 20.75 in |
| Frame Length | Frame Length: 20.50 in | Shaft Diameter | Shaft Diameter: 3.375 in |
| Shaft Extension | Shaft Extension: 8.5 in | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 Capable |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 285 A | Synchronous RPM | Synchronous RPM: 1800 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1785 rpm |
| Connection Drawing | Connection Drawing: A-EE7300U | Outline Drawing | Outline Drawing: B-SS517552-2050 |
| Voltage | Voltage: 460 V | Output KW | Output KW: 187 kW |
| Output HP | Output HP: 250 Hp | Frame Size | Frame Size: 445 |
| Torque UOM | Torque UOM: LB-FT | Efficiency | Efficiency: 95.8 % |
| Packaged Length | Packaged Length: 56.00 IN | Weight | Weight: 2375.00 LB |
| UPC | UPC: 722856020420 | Packaged Width | Packaged Width: 46.00 IN |
| HTC | HTC: 8501.53.8040 | Country of Origin | Country of Origin: United States of America |
| Packaged Height | Packaged Height: 30.96 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 85.00 | 25%: 115.00 | 50%: 160.00 | 75%: 220.00 | 100%: 285.00 | 115%: 325.00 | 125%: 350.00 |
| % of Rated Load: Rated Output (KW) | 0%: 4.50 | 25%: 51.00 | 50%: 98.50 | 75%: 146.00 | 100%: 195.00 | 115%: 225.00 | 125%: 244.00 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 91.0 | 50%: 94.5 | 75%: 95.8 | 100%: 95.8 | 115%: 95.8 | 125%: 95.4 |
| % of Rated Load: Power Factor (%) | 0%: 26.5 | 25%: 57.0 | 50%: 77.0 | 75%: 84.0 | 100%: 86.0 | 115%: 86.0 | 125%: 86.5 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,796 | 50%: 1,792 | 75%: 1,790 | 100%: 1,785 | 115%: 1,782 | 125%: 1,780 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 50.0 | 50%: 45.0 | 75%: 0.0 | 100%: 75.0 | 115%: 105.0 | 125%: 0.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 183.00 | 50%: 366.00 | 75%: 550.00 | 100%: 736.00 | 115%: 847.00 | 125%: 921.00 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: 2/3 | Current (Amps): 1,750.00 | Current (%): 614.0 | Torque (ft-lbs): 1,400.00 | Torque (%): 190.0 | Speed (RPM): 1,200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 250.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 1,950.00 | Current (%): 684.0 | Torque (ft-lbs): 1,350.00 | Torque (%): 183.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 28.5 | Rated Output (Hp): 250.00 |
| Curvepoint: Pull-Up | Current (Amps): 1,850.00 | Current (%): 649.0 | Torque (ft-lbs): 1,325.00 | Torque (%): 180.0 | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 250.00 |
| Curvepoint: Full Load | Current (Amps): 285.00 | Current (%): 100.0 | Torque (ft-lbs): 736.00 | Torque (%): 100.0 | Speed (RPM): 1,785 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 250.00 |
| Curvepoint: No Load | Current (Amps): 85.00 | Current (%): 30.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 250.00 |
| Curvepoint: 1/3 | Current (Amps): 1,900.00 | Current (%): 667.0 | Torque (ft-lbs): 1,325.00 | Torque (%): 180.0 | Speed (RPM): 600 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 250.00 |
| Curvepoint: Break-Down | Current (Amps): 1,100.00 | Current (%): 386.0 | Torque (ft-lbs): 1,925.00 | Torque (%): 262.0 | Speed (RPM): 1,720 | Rated Output (KW): | Power Factor (%): 62.5 | Rated Output (Hp): 250.00 |
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 |
