Marathon
Marathon Y457 - 10/4.4 HP, Dripproof, Frame 256T
Model: Y457
Marathon Y457 motor — 10/4.4 HP, 3-phase, 200-230 V, 1800/1200 RPM, 256T frame, ODP, 88.5% efficiency, 1.15 SF.
Technical Specifications
| Horsepower (HP) | 10/4.4 |
| Frame Size | 256T |
| Enclosure | ODP |
| Full Load Speed (RPM) | 1800/1200 |
| Voltage | 200-230 |
| Phase | 3 |
| Full Load Amps (A) | 28-26 |
| Service Factor | 1.15 |
| Weight (lbs) | 214 |
| Category | Definite Purpose |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 88.5 |
| Duty Type | HVAC/R |
| Shaft Diameter | 1.625 |
| Shaft Diameter Source | NEMA MG-1 frame table |
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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