Marathon Electric Automotive Duty Motor, 7.50 HP, 3 Ph, 60 Hz, 460 V, 1200 RPM, 256U Frame, TEFC
Regular price
$3,309.00 USD
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Automotive Duty Motor, 7.50 HP, 3 Ph, 60 Hz, 460 V, 1200 RPM, 256U Frame, TEFC
Features
- Cast iron construction
- Oversized, fully gasketed, cast iron conduit box
- Oversized ball bearings
- NEMA Design B
- Class F insulation
- V-Ring shaft seals
Specifications
| Performance & Electrical | |
| Power | 7.50 HP |
| Power (dual rating) | 7.50 HP |
| Power | 5.6 kW |
| Voltage | 460 V |
| Phase | 3 |
| Frequency | 60 Hz |
| Speed (max) | 1175 RPM |
| Speed (dual) | 1175 RPM |
| Full-load current | 9.9 A |
| Current (dual) | 9.9 A |
| Nominal efficiency | 91% |
| Power factor | 78% |
| Service factor | 1 |
| Number of poles | 6 |
| Number of speeds | 1 |
| NEMA design | B |
| KVA code | H |
| Duty | Continuous |
| Electrical type | Squirrel Cage Induction Run |
| Starting method | Across The Line |
| Main winding resistance | 1.319 Ω |
| Frame & Mechanical | |
| Frame | 256U |
| Frame size | 256 |
| Frame suffix | U |
| Frame material | Cast Iron |
| Frame length | 12.25 in |
| Enclosure | Totally Enclosed Fan Cooled |
| IP rating | IP43 |
| Insulation class | F |
| Mounting | RIGID |
| Assembly / conduit box | F1/F2 CAPABLE |
| Orientation | Horizontal |
| Rotation | Reversible |
| Max ambient | 65°C |
| Shaft & Bearings | |
| Shaft diameter | 1.375 in |
| Shaft extension | 3.94 in |
| Shaft type | U |
| C dimension | 25.02 in |
| Drive-end bearing | 6309 |
| Drive-end bearing type | Ball |
| Opp. drive-end bearing | 6210 |
| Opp. drive-end bearing type | Ball |
| Overload protection | No Protection |
| Compliance & Certifications | |
| CE | Y |
| CSA | Y |
| UL | Recognized |
| Connection drawing | A-EE7300 |
| Outline drawing | B-SS203362-1225 |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 30.75 × 21.75 × 18.00 in |
| Weight | 332.00 lb |
| Identification | |
| Manufacturer part / model | 256UTFNA4076 |
| Catalog number | P433 |
| UPC | 722856054319 |
| Country of origin | United States of America |
| HTS / tariff code | 8501.52.4000 |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |