Marathon
Marathon E663A - 50 HP, TEFC, Frame 326TS
Model: E663A
Marathon E663A motor — 50 HP, 3-phase, 575 V, 3600 RPM, 326TS frame, TEFC, 94.1% efficiency.
Technical Specifications
| Horsepower (HP) | 50 |
| Frame Size | 326TS |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 3600 |
| Voltage | 575 |
| Phase | 3 |
| Full Load Amps (A) | 45.0 |
| Weight (lbs) | 725 |
| Category | Severe Duty |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 94.1 |
| Shaft Diameter | 2.125 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.53 |
| 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.
Visit WebsiteAPI Access
Access this product data programmatically
GET /api/v1/products/xl-motor-e663aView API Docs →