Marathon Electric Fire Pump Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 3600 & 3000 RPM, 256T Frame, TEFC
Regular price
$2,852.00 USD
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Fire Pump Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 3600 & 3000 RPM, 256T Frame, TEFC
Features
- Designed for use on pumps for fire pump duty
- UL file EX5190, CSA file LR2025 and CE mark
- Red paint exterior
- NEMA Design B, Code G or less
- Motor will accept a C-face kit
- Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
- Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
- Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
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) | 3525 RPM |
| Speed (dual) | 3525 & 2932 RPM |
| Full-load current | 46.5/23.2 A |
| Current (dual) | 46.5/23.2 & 43/21.5 A |
| Nominal efficiency | 90.2% |
| Power factor | 88% |
| Service factor | 1.15 |
| Number of poles | 2 |
| Number of speeds | 1 |
| NEMA design | B |
| KVA code | F |
| Duty | Continuous |
| Electrical type | Squirrel Cage Induction Run |
| Starting method | Part Wdg Start Low Volt Only & Wye Start Delta Run |
| Main winding resistance | .465 Ω |
| Frame & Mechanical | |
| Frame | 256T |
| Frame size | 256 |
| Frame suffix | T |
| Frame material | Cast Iron |
| Frame length | 12.44 in |
| Enclosure | Totally Enclosed Fan Cooled |
| IP rating | IP43 |
| Insulation class | F |
| Mounting | Rigid Base |
| Assembly / conduit box | F1/F2 CAPABLE |
| Orientation | Horizontal |
| Rotation | Reversible |
| Max ambient | 40°C |
| Shaft & Bearings | |
| Shaft diameter | 1.625 in |
| Shaft extension | 4.20 in |
| Shaft type | T |
| C dimension | 25.40 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 | Listed |
| Connection drawing | A-EE7358 |
| Outline drawing | B-SS203002-1225 |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 30.75 × 21.75 × 18.00 in |
| Weight | 682.00 lb |
| Identification | |
| Manufacturer part / model | 256TTFNA14022 |
| Catalog number | Y1610 |
| UPC | 722856132550 |
| Country of origin | United States of America |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |