ABB NEMA motors are engineered to meet the toughest demands of today's process industry applications. These motors combine the highest quality materials and industry leading construction methods to provide the best quality and deliver superior reliability and performance through many years of continuous operation
The document presents ABB's Low Voltage Process Performance NEMA Frame motors, covering frame sizes 405‑588 and power ratings from 50 to 800 HP. It outlines the motors' construction as totally enclosed, fan‑cooled, three‑phase squirrel‑cage units designed for demanding process‑industry applications.
Technical sections include general information, mechanical design, ordering details, variant codes, dimension drawings, and a comprehensive product overview. Standards compliance (NEMA MG‑1, IEC, CSA), insulation classes, mounting options, and cooling methods are described, along with guidance for use with frequency converters and variable‑speed drives. This manual is written in Chinese.
| Motor type | Totally enclosed squirrel cage three‑phase low‑voltage motor |
|---|---|
| Frame size range | 405‑588 |
| Power range | 50‑800 HP |
| Insulation class | Class F (max ambient 40 °C, max rise 105 K) |
| Mechanical protection | IK 08 |
| Cooling method | Free circulation (open) or self‑circulation |
| Frame material | Cast iron |
ABB uses Class F insulation with a maximum ambient temperature of 40 °C and a permissible temperature rise of 105 K.