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Marathon Electric Motors
284TTFNA7240
20,5 Hp 60 Hz 1800 rpm Drip Proof Three Phase Cooling Tower Motor
Item #110472993
- 20,5 HP - Three Phase
- 60 Hz - 284T Frame
- 460 V
- 1775 rpm
| Ambient Temperature Range [Max] | 104 °F |
| Full Load Amps | 24, 8.5 |
| Electrical Type | Squirrel Cage Induction Run |
| No. of Phases | Three |
| ODE Bearing Size | 6210 |
| Enclosure Designation | Totally Enclosed Fan Cooled |
| HP | 20,5 |
| KVA Code | J |
| Enclosure | TEFC |
| Shaft Diameter | 1.875 in |
| Hz | 60 |
| Insulation | F |
| Mounting Type | Rigid Base |
| Mounting | Rigid Base |
| Duty | Continuous |
| Service Factor | 1.15 |
| Insulation Class | F |
| Open End Bearing | 6210 |
| Motor Orientation | Horizontal |
| No. of Poles | 4/8 |
| Speed [Max] | 1775 rpm |
| DE Bearing Type | Ball |
| Drive End Bearing | 6311 |
| ODE Bearing Type | Ball |
| No. of Speeds | 2 |
| NEMA Design | 1VT |
| Poles | 4/8 |
| Efficiency | 91.7 |
| Frame | 284T |
| Assembly/Box Mounting | F1/F2 CAPABLE |
| Resistance Main | 0.505 |
| Frame Material | Cast Iron |
| Voltage | 460 V |
| Voltage Rating | 460 |
| Power Factor | 84.5 |
| Rotation | Reversible |
| Motor Application | General Purpose |
| Starting Type | Across The Line |
| Phase | Three Phase |
| Amps | 24,8.5 |
| DE Bearing Size | 6311 |
| Shaft Type | T |
| Shaft Extension | 4.82 in |
| IP Rating | IP55 |
| Standard | CE, CSA, UL Recognized |
| Frame Length | 12.75 in |
| Weight | 382.0 LB |
| EAN or UPC | 722856042262 |
