Marathon
Marathon R9311 - 500 HP, TEFC, Frame 400
Model: R9311
Marathon R9311 motor — 500 HP, 3-phase, 2300/4000 V, 1200 RPM, 400 frame, TEFC, 95.0% efficiency, Endurance Series Motors - IEC TEFC Medium Voltage line.
Technical Specifications
| Horsepower (HP) | 500 |
| Frame Size | 400 |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 1200 |
| Voltage | 2300/4000 |
| Phase | 3 |
| Electrical Type | AC Induction |
| Efficiency (%) | 95.0 |
| Full Load Amps (A) | 113/65.5 |
| Weight (lbs) | 6945 |
| Duty Type | General Purpose |
| Catalog Line | Endurance Series Motors - IEC TEFC Medium Voltage |
Manufacturer
Marathon
A Regal Rexnord brand manufacturing industrial-grade electric motors. Known for Blue Chip XRI, Black Max, and severe duty product lines.
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