Marathon
Marathon M890B - 15 HP, Dripproof, Frame 284HPV
Model: M890B
Marathon M890B motor — 15 HP, 3-phase, 230/460 V, 1800 RPM, 284HPV frame, ODP, 92.4% efficiency.
Technical Specifications
| Horsepower (HP) | 15 |
| Frame Size | 284HPV |
| Enclosure | ODP |
| Full Load Speed (RPM) | 1800 |
| Voltage | 230/460 |
| Phase | 3 |
| Full Load Amps (A) | 36.0/18.0 |
| Weight (lbs) | 400 |
| Category | Pump Motors |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 92.4 |
| Shaft Diameter | 1.875 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Vertical Solid Shaft |
| Mounting Type Source | Marathon 2026 Catalog p.124 |
| Service Factor | 1.15 |
| Service Factor Source | Marathon 2026 Catalog p.124 |
| 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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