Marathon
Marathon W557A - 20 HP, TEFC, Frame 324T
Model: W557A
Marathon Motor - W557A
Technical Specifications
| Horsepower (HP) | 20 |
| Frame Size | 324T |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 900 |
| Voltage | 460 |
| Phase | 3 |
| Efficiency Pct | 90.2 |
| Full Load Amps (A) | 27.0 |
| Weight (lbs) | 605 |
| Category | Severe Duty |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| 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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