Marathon
Marathon U511A - 40 HP, Dripproof, Frame 324T
Model: U511A
Marathon U511A motor — 40 HP, 3-phase, 190/380-400 V, 1800 RPM, 324T frame, ODP, 93.0% efficiency, 1.15 SF.
Technical Specifications
| Horsepower (HP) | 40 |
| Frame Size | 324T |
| Enclosure | ODP |
| Full Load Speed (RPM) | 1800 |
| Voltage | 190/380-400 |
| Phase | 3 |
| Full Load Amps (A) | 114/56.5-53.5 |
| Weight (lbs) | 249 |
| Category | Pump Motors |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 93.0 |
| Service Factor | 1.15 |
| Duty Type | Pump |
| Shaft Diameter | 2.125 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.118 |
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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