Marathon
Marathon U1121A - 125 HP, Dripproof, Frame 404TS
Model: U1121A
Marathon U1121A motor — 125 HP, 3-phase, 575 V, 3600 RPM, 404TS frame, ODP, 93.6% efficiency.
Technical Specifications
| Horsepower (HP) | 125 |
| Frame Size | 404TS |
| Enclosure | ODP |
| Full Load Speed (RPM) | 3600 |
| Voltage | 575 |
| Phase | 3 |
| Full Load Amps (A) | 111 |
| Weight (lbs) | 1070 |
| Category | Pump Motors |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 93.6 |
| Shaft Diameter | 2.875 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.119 |
| 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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