Marathon 449TTFS6390, General Purpose Motor, 300 HP, 460 Volts, 362.0 Amps, 3 Phase, 1190 RPM, 60 Hz, TEFC Enclosure, 449T Frame, Rigid base, Footless Mounted, Cast Iron Frame, Catalog No: E284
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FEATURES
Marathon General Purpose Three Phase Totally Enclosed Fan Cooled
The Marathon brand has a developed reputation for conservative motor designs and highly engineered products used in a vast array of commercial and industrial applications around the world. We build on our legacy of innovative and efficient motor designs by the joining of magnetic and motor into a single leading technology. This allows for unparalleled power densities, unprecedented performance, and unmatched efficiencies
Feature:
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
- Suitable for use on a VFD. Variable Torque and Constant Torque (as noted)
- 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
- F1 conduit box on Rigid Base, F3 on C-Face Footed (Rigid Base) motors
- Bearing Current Protection (BCP), as noted
- Shaft slinger, Class F insulation
- C-Face Footed models are rated 60/50 Hz, same HP
- Motors accept C-face kits, as noted
Note: Picture is illustrative and may not reflect the actual product.
Brand | Marathon |
Catalog No | E284 |
Product Type | General Purpose Motor |
Horsepower | 300 HP |
Voltage | 460 Volts |
Phase | 3 |
Output KW | 224.0 kW |
Frequency | 60 Hz |
Speed | 1190 RPM |
Current | 362.0 Amps |
Enclosure | TEFC |
Frame Size | 449T |
Motor Orientation | Horizontal |
Number of Poles | 6 |
Mounting Type | Rigid base |
Frame Material | Cast Iron |
Overall Length | 56.71 in |
Service Factor | 1.15 |
Efficiency @ 100% Load | 95.80% |
Duty Rating | Continous |
Overload Protector | No |
Electrical Type | Squirrel Cage Induction Run |
Starting Method | Across The Line |
Design Code | B |
KVA Code | G |
Frame Length | 28.75 in |
Shaft Diameter | 3.375 in |
Insulation Class | H |
Opp Drive End Bearing | Ball |
Drive End Bearing | Roller |
Shaft Extension Location | 8.75 in |
Shaft Rotation | Reversible |
Shaft Type | T |
Ambient Temperature | 40 °C |
Agency Approvals | UL, CSA, CE |
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*Note: Picture is illustrative and may not reflect the actual product.*