Marathon Electric Fire Pump Motor, 25 HP, 3 Ph, 60 Hz, 190/380-400 V, 3600 RPM, 256T Frame, DP
Regular price
$2,849.00 USD
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Fire Pump Motor, 25 HP, 3 Ph, 60 Hz, 190/380-400 V, 3600 RPM, 256T Frame, DP
Features
- Designed for use on pumps for fire pump duty
- UL file EX5190, CSA file LR2025 and CE mark
- 50°C ambient
- Red paint on 25 HP through 200 HP
- NEMA Design B, Code G or less
- Will accept C-Face kits.
- 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
Specifications
| Performance & Electrical | |
| Power | 25 HP |
| Power (dual rating) | 25 HP |
| Power | 18.7 kW |
| Voltage | 190/380-400 V |
| Phase | 3 |
| Frequency | 60 Hz |
| Speed (max) | 3550 RPM |
| Speed (dual) | 3550 RPM |
| Full-load current | 70.0/35.0-33.5 A |
| Current (dual) | 70.0/35.0-33.5 A |
| Nominal efficiency | 91% |
| Power factor | 87% |
| Service factor | 1.15 |
| Number of poles | 2 |
| Number of speeds | 1 |
| NEMA design | B |
| KVA code | G |
| Duty | Continuous |
| Electrical type | Squirrel Cage Induction Run |
| Starting method | Part Wdg Start Low Volt Only & Wye Start Delta Run |
| Main winding resistance | .635 Ω |
| Frame & Mechanical | |
| Frame | 256T |
| Frame size | 256 |
| Frame suffix | T |
| Frame material | Rolled Steel |
| Frame length | 12.2 in |
| Enclosure | Drip Proof |
| IP rating | IP23 |
| Insulation class | F |
| Mounting | Rigid Base |
| Assembly / conduit box | F1/F2 CAPABLE |
| Orientation | Horizontal |
| Rotation | Reversible |
| Max ambient | 50°C |
| Shaft & Bearings | |
| Shaft diameter | 1.625 in |
| Shaft extension | 4.00 in |
| Shaft type | T |
| C dimension | 24.22 in |
| Drive-end bearing | 6209 |
| Drive-end bearing type | Ball |
| Opp. drive-end bearing | 6208 |
| Opp. drive-end bearing type | Ball |
| Overload protection | No Protection |
| Compliance & Certifications | |
| CE | Y |
| CSA | Y |
| UL | No |
| Connection drawing | EE7308AA |
| Outline drawing | SS620685-256T |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 27.55 × 24.21 × 24.40 in |
| Weight | 284.00 lb |
| Identification | |
| Manufacturer part / model | 256TTDBD4020 |
| Catalog number | U501A |
| UPC | 722856067234 |
| Country of origin | China |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |