| Approvals | CSA, UL |
| Bearing Type | Roller |
| Class/Group | Class I and II Group C, D, F, G |
| Composition | Cast Iron |
| CT Speed Range | 2:1 |
| Efficiency % | 95.4 % |
| Enclosure, Product Series | EXPLOSION PROOF |
| Family Series | Marathon Electric Motors, EXPLOSION PROOF Series |
| Gross Weight | 0 lbs |
| Horsepower | 300 hp |
| Inverter Duty | Yes |
| Item Number | H503 |
| Manufacturer | Marathon Electric |
| Manufacturer Part Number, Model Number | 449TTGS7037 |
| Mounting Type | Foot Mount, Rigid |
| NEMA Frame | 447T/449T |
| Net Weight | 3032 lbs |
| Nominal Voltage | 415 VAC, 480 VAC |
| Overall Length | 51.69 " |
| Overload Protection | Thermostat |
| Phase | 3 |
| RPM | 1,800 RPM |
| Service Factor | 1.15 |
| Voltage (AC) | 460 VAC |
