Marathon Electric Speed Ratio Motor, 20 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 256TC Frame, TENV
Regular price
$6,500.00 USD
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Speed Ratio Motor, 20 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 256TC Frame, TENV
Features
- MAX GUARD® Class F insulation system
- Constant Torque operation from 0 to base speed on Vector Drive
- Constant Horsepower operation up to twice base RPM
- Optimized for operation with IGBT inverter (NEMA Design A)
- Normally closed thermostats (one per phase, Class F)
- Encoder and brake provisions included on opposite drive end (maximum 10 lb-ft brake,see Modifications and/or Accessory Kits sections)
Specifications
| Performance & Electrical | |
| Power | 20 HP |
| Power (dual rating) | 20 HP |
| Power | 14.9 kW |
| Voltage | 575 V |
| Phase | 3 |
| Frequency | 60 Hz |
| Speed (max) | 1770 RPM |
| Speed (dual) | 1770 RPM |
| Full-load current | 20.8 A |
| Current (dual) | 20.8 A |
| Nominal efficiency | 93.6% |
| Power factor | 77% |
| Service factor | 1 |
| Number of poles | 4 |
| Number of speeds | 1 |
| NEMA design | INV |
| KVA code | N |
| Duty | Continuous |
| Electrical type | Squirrel Cage Inverter Duty |
| Starting method | Inverter Only |
| Main winding resistance | .29 Ω |
| Frame & Mechanical | |
| Frame | 256TC |
| Frame size | 256 |
| Frame suffix | TC |
| Frame material | Cast Iron |
| Frame length | 14.25 in |
| Enclosure | Totally Enclosed Non Ventilated |
| IP rating | IP43 |
| Insulation class | F |
| Mounting | RIGID |
| Assembly / conduit box | F1/F2 CAPABLE |
| Orientation | Horizontal |
| Rotation | Reversible |
| Max ambient | 40°C |
| Shaft & Bearings | |
| Shaft diameter | 1.625 in |
| Shaft extension | 3.75 in |
| Shaft type | T |
| C dimension | 27.13 in |
| Drive-end bearing | 6309 |
| Drive-end bearing type | Ball |
| Opp. drive-end bearing | 6210 |
| Opp. drive-end bearing type | Ball |
| Overload protection | Thermostat |
| Compliance & Certifications | |
| CE | Y |
| CSA | Y |
| UL | Recognized |
| Connection drawing | A-EE7300T |
| Outline drawing | B-SS203839-1425 |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 31.25 × 22.25 × 18.00 in |
| Weight | 300.00 lb |
| Identification | |
| Manufacturer part / model | 256THTNA7036 |
| Catalog number | Y563 |
| UPC | 722856024978 |
| Product line | Black Max® Inverter Duty |
| Country of origin | United States of America |
| HTS / tariff code | 8501.52.4000 |
| Substitute part | 256THTCD7036 |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |