Marathon
Marathon U1428 - 100 HP, Dripproof, Frame 404TS
Model: U1428
Marathon U1428 motor — 100 HP, 3-phase, 415 V, 1500 RPM, 404TS frame, ODP, 92.7% efficiency, 1.15 SF.
Technical Specifications
| Horsepower (HP) | 100 |
| Frame Size | 404TS |
| Enclosure | ODP |
| Full Load Speed (RPM) | 1500 |
| Voltage | 415 |
| Phase | 3 |
| Full Load Amps (A) | 127 |
| Weight (lbs) | 1075 |
| Category | Pump Motors |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 92.7 |
| Service Factor | 1.15 |
| Duty Type | Pump |
| Shaft Diameter | 2.875 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.119 |
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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