Marathon Electric Severe Duty Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256TV Frame, TEAO
Regular price
$4,618.00 USD
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Severe Duty Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256TV Frame, TEAO
Features
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
- Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
- Internal and external epoxy paint
- MAX GUARD® Class F insulation system
- 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
- Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
- Extended grease tubes, regreasable in service
- T-drains provided for effective drainage (Installed in both endshields)
- Suitable for all angle mounting
- Suitable for 20:1 VT and 20:1 CT on VFD
Specifications
| Performance & Electrical | |
| Power | 20 HP |
| Power (dual rating) | 20 & 15 HP |
| Power | 14.9 kW |
| Voltage | 230/460 V |
| Phase | 3 |
| Frequency | 60 Hz |
| Speed (max) | 1775 RPM |
| Speed (dual) | 1775 & 1475 RPM |
| Full-load current | 48.0/24.1 A |
| Current (dual) | 48/24.1 & 44/22 A |
| Nominal efficiency | 93% |
| Power factor | 84% |
| Service factor | 1.15 |
| Number of poles | 4 |
| 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 | .475 Ω |
| Frame & Mechanical | |
| Frame | 256TV |
| Frame size | 256 |
| Frame suffix | TV |
| Frame material | Cast Iron |
| Frame length | 12.25 in |
| Enclosure | Totally Enclosed Air Over |
| IP rating | IP56 |
| Insulation class | F |
| Mounting | RIGID |
| Assembly / conduit box | F1/F2 CAPABLE |
| Orientation | Horizontal Or Up Or Down |
| Rotation | Reversible |
| Max ambient | 40°C |
| Shaft & Bearings | |
| Shaft diameter | 1.625 in |
| Shaft extension | 4.25 in |
| Shaft type | T |
| C dimension | 22.35 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 | N |
| CSA | Y |
| UL | Recognized |
| Connection drawing | A-EE7308 |
| Outline drawing | B-SS203092-1225 |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 30.75 × 21.75 × 18.00 in |
| Weight | 363.00 lb |
| Identification | |
| Manufacturer part / model | 256TTTNA16544 |
| Catalog number | U1872 |
| UPC | 722856132246 |
| Product line | XRI®-SD |
| Country of origin | United States of America |
| HTS / tariff code | 8501.52.8040 |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |