Marathon
Marathon R858 - 75-55 HP, TEFC, Frame 250M
Model: R858
Marathon R858 motor — 75-55 HP, 3-phase, 230/460 / 200/400 V, 1800 RPM, 250M frame, TEFC, 95.4% efficiency.
Technical Specifications
| Horsepower (HP) | 75-55 |
| Frame Size | 250M |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 1800 |
| Voltage | 230/460 / 200/400 |
| Phase | 3 |
| Full Load Amps (A) | 174/87.0 |
| Weight (lbs) | 1336 |
| Category | General Purpose |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 95.4 |
| Duty Type | General Purpose |
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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