Marathon
Marathon Y389 - 50/12.5 HP, TEFC, Frame 364T
Model: Y389
Marathon Y389 motor — 50/12.5 HP, 3-phase, 460 V, 1800/900 RPM, 364T frame, TEFC, 92.4% efficiency, Cooling Tower Two-Speed One-Winding Variable Torque (Blue Chip Severe Duty XRI) line.
Technical Specifications
| Horsepower (HP) | 50/12.5 |
| Frame Size | 364T |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 1800/900 |
| Voltage | 460 |
| Phase | 3 |
| Electrical Type | AC Induction |
| Efficiency (%) | 92.4 |
| Full Load Amps (A) | 61.0/24.0 |
| Weight (lbs) | 975 |
| Duty Type | Severe Duty |
| Shaft Diameter | 2.375 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Catalog Line | Cooling Tower Two-Speed One-Winding Variable Torque (Blue Chip Severe Duty XRI) |
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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