20 hp, 3600 rpm, 3 ph, 230/460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 60 Hz, 3540 rpm Base, Rigid Base Mount, Continuous Duty Mfr description 256TTFCD6001 20HP,256T,3600RPM,3PH Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2015 Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B IP55 enclosure on cast iron frames Inverter Duty 10:1 Variable Torque and up to 10:1 Constant Torque Class F Insulation Standard F1, reversible to F2 assembly. Dual frame mounting holes.
| Power | 20 hp |
|---|---|
| Rated Speed | 3,540 rpm |
| Frame Size | 256T |
| Voltage | 0.5 V |
| Mounting Type  | Rigid Base |
| Motor Enclosure Type | Totally Enclosed Fan Cooled |
| Electrical Phase | Three-Phase |
| Frequency | 60 Hz |
| Shaft Diameter | 1‑5/8″ |
| motor phase | 3 ph |
| motor horsepower | 20 hp |
| synchronous rpm | 3600 rpm |
| motor supply voltage | 230/460 V |
| enclosure type | TEFC (Totally Enclosed Fan Cooled) |
| frequency rating | 60 Hz |
| base rpm | 3540 rpm |
| assembly box mounting | F1/F2 CAPABLE |
| duty condition type | Continuous Duty |
| mounting type | Rigid Base |
| full load current | 47.50 / 23.70 A |
| electrical type | Squirrel Cage Inverter Rated |
| full load efficiency | 91 % |
| kva code | G |
| kw | 14.90 kW |
| motor orientation | Horizontal |
| motor poles | 2 |
| number of speeds | 1 |
| starting method | Line Or Inverter |
| description keyword | 20 hp |
| shaft rotation | Reversible |
| shaft type | T |
| ambient temperature range | 40 °C |
| opposite drive end bearing type | Ball |
| type of bearing | Ball Bearing |
| service factor | 1.15 |
| frame material | Cast Iron |
| insulation class | F |
| ip rating | 55 |
| standards met | CE,UL Recognized,CSA |
| motor design code | B |
| drive end bearing size | 6309 |
| substitute motor | 256TTFCA6001 170033.60 |
| opposite drive end bearing size | 6209 |
| overload protector | No Overload Protector |
| weight | 265 lbs |
| manufacturer upc number | 722856067302 |
| manufacturer product page | https://www.regalrexnord.com/products/motors/low-voltage-nema-motors/general-purpose-low-voltage-nema-motors/nema-general-purpose-three-phase-motors/three-phase-tefc-motors/20-hp-general-purpose-motor-3-phase-3600-rpm-230-460-v-256t-frame-tefc-256ttfcd6001 |
| technical specifications | https://cdnmedia.regalbeloit.com/images/d120001/medias/docus/2000/Article_256TTFCD6001_DataPack_9.pdf |
| storage dimension height | 28.03 in |
| storage dimension width | 31.77 in |
| storage dimension length | 28.14 in |
| product type | General Purpose Motors |
| Unidad | piece |
| Cantidad mínima | 1 |
| Incremento de cantidad | 1 |
| Fabricante | MARATHON ELECTRIC |
| Vendor SKU | 08042260 |