Marathon
Marathon R437 - 20-15 HP, TEFC, Frame 160L
Model: R437
Marathon R437 motor — 20-15 HP, 3-phase, 480 V, 1800/1500 RPM, 160L frame, TEFC, 93.0% efficiency.
Technical Specifications
| Horsepower (HP) | 20-15 |
| Frame Size | 160L |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 1800/1500 |
| Voltage | 480 |
| Phase | 3 |
| Full Load Amps (A) | 20.1 |
| Weight (lbs) | 163 |
| Category | General Purpose |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 93.0 |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.77 |
| 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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