Marathon
Marathon W583A - 50 HP, TEFC, Frame 404T
Model: W583A
Marathon W583A motor — 50 HP, 3-phase, 460 V, 900 RPM, 404T frame, TEFC, 92.4% efficiency.
Technical Specifications
| Horsepower (HP) | 50 |
| Frame Size | 404T |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 900 |
| Voltage | 460 |
| Phase | 3 |
| Full Load Amps (A) | 62.0 |
| Weight (lbs) | 1338 |
| Category | Severe Duty |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 92.4 |
| Duty Type | Severe Duty |
| Shaft Diameter | 2.875 |
| Shaft Diameter Source | NEMA MG-1 frame table |
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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