Marathon Electric Severe Duty Motor, 250 HP, 3 Ph, 60 Hz, 460 V, 1200 RPM, 449T Frame, TEFC
Regular price
$51,594.00 USD
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Severe Duty Motor, 250 HP, 3 Ph, 60 Hz, 460 V, 1200 RPM, 449T Frame, TEFC
Features
- IP-55 cast iron, Meets or exceeds NEMA Premium® efficiencies, NEMA Premium models are in compliance with EISA2007
- Class F Insulation System, Inverter duty 10:1 variable torque and 2:1 constant torque & 1.15 service factor on Sine Wave Power 1.0 SF on Inverter Power
- F1/F2 capable, Dynamically balanced rotors, Steel conduit box
- Dual Frame Mounting
- Modifications and Kits are available
- Division 2 Class 1 groups A,B,C,D this is for TEFC models,
- 40°C Ambient 1.15SF Sine Wave Power and 1.0SF inverter power
- UL®* listed, UL certified for Canada and CE®* mark
Specifications
| Performance & Electrical | |
| Power | 250 HP |
| Power (dual rating) | 250 HP |
| Power | 187.0 kW |
| Voltage | 460 V |
| Phase | 3 |
| Frequency | 60 Hz |
| Speed (max) | 1189 RPM |
| Speed (dual) | 1189 RPM |
| Full-load current | 285.0 A |
| Current (dual) | 285.0 A |
| Nominal efficiency | 95.8% |
| Power factor | 86% |
| Service factor | 1.15 |
| Number of poles | 6 |
| Number of speeds | 1 |
| NEMA design | B |
| KVA code | G |
| Duty | Continuous |
| Electrical type | Squirrel Cage Inverter Rated |
| Starting method | Line Or Inverter |
| Main winding resistance | .01504 Ω |
| Frame & Mechanical | |
| Frame | 449T |
| Frame size | 449 |
| Frame suffix | T |
| Frame material | Cast Iron |
| Enclosure | Totally Enclosed Fan Cooled |
| IP rating | IP55 |
| Insulation class | H |
| Mounting | Rigid Base |
| Assembly / conduit box | F1/F2 CAPABLE |
| Orientation | Horizontal |
| Rotation | Reversible |
| Max ambient | 40°C |
| Shaft & Bearings | |
| Shaft diameter | 3.375 in |
| Shaft type | T |
| Drive-end bearing | 6319 |
| Drive-end bearing type | Ball |
| Opp. drive-end bearing | 6317 |
| Opp. drive-end bearing type | Ball |
| Overload protection | No Protection |
| Compliance & Certifications | |
| CE | Y |
| CSA | Y |
| UL | Listed |
| Hazardous location | DIVISION 2 T2B |
| Connection drawing | EE7300 |
| Outline drawing | SS557671 |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 56.00 × 46.00 × 32.00 in |
| Weight | 2,213.00 lb |
| Identification | |
| Manufacturer part / model | 449TTFCD6577 |
| Catalog number | E774A |
| UPC | 722856192301 |
| Product line | Blue Chip® XRI®-SD / Automotive |
| Country of origin | Mexico |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |