Marathon
Marathon M881B - 7 1/2 HP, Dripproof, Frame 213HPV
Model: M881B
Marathon M881B motor — 7 1/2 HP, 3-phase, 230/460 V, 3600 RPM, 213HPV frame, ODP, 89.5% efficiency.
Technical Specifications
| Horsepower (HP) | 7 1/2 |
| Frame Size | 213HPV |
| Enclosure | ODP |
| Full Load Speed (RPM) | 3600 |
| Voltage | 230/460 |
| Phase | 3 |
| Full Load Amps (A) | 18.6/9.3 |
| Weight (lbs) | 157 |
| Category | Pump Motors |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 89.5 |
| Shaft Diameter | 1.375 |
| 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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