Marathon
Marathon U991B-P - 7 1/2 HP, Explosion Proof, Frame 213T
Model: U991B-P
Marathon U991B-P motor — 7 1/2 HP, 3-phase, 208-230/460 V, 1800 RPM, 213T frame, EXPLOSION PROOF, 91.7% efficiency, Blue Chip Hazardous Duty Explosion Proof line.
Technical Specifications
| Horsepower (HP) | 7 1/2 |
| Frame Size | 213T |
| Enclosure | EXPLOSION PROOF |
| Full Load Speed (RPM) | 1800 |
| Voltage | 208-230/460 |
| Phase | 3 |
| Electrical Type | AC Induction |
| Efficiency (%) | 91.7 |
| Full Load Amps (A) | 19.0/9.5 |
| Weight (lbs) | 235 |
| Duty Type | Explosion Proof |
| Shaft Diameter | 1.375 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Catalog Line | Blue Chip Hazardous Duty Explosion Proof |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.63 |
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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