Electrical Motor
DESCRIPTION
National Motors’ NM Series consists of motors designed for fire pump applications as specified in NFPA 20. These three-phase horizontal low-voltage squirrel-cage medium induction motors are constructed and manufactured as per the requirements of NEMA MG 1 standard Design B.
Enclosed Fan Cooled Enclosures provide better protection and seal inner windings, contacts, and bearings from outside environment including dust, airborne contaminants, and many other weather disturbances
FEATURES
- Frequency: 50 & 60 Hz
- 1.15 Service Factor
- 50°C Ambient Temperature rating
- High Quality Ball Bearing
- UL File No. EX26863
- Stainless Steel name plate
- RAL 3000 Standard red painted
- IP55 Degree of Protection
- Altitude rating of 1000 meters above sea level
- F1 foot mounting
- Suitable for various standard starters such as across the line, wye-delta, soft starter etc.
RATINGS
SERIES: NM, TEFC ENCLOSURE 2 POLE
| Rated Output | 10 HP - 500 HP |
| Rated Voltage | 380-400-415v (50Hz), 208-230v* (60Hz), 380-400v (60Hz), 440-460v (60Hz) & 575 (60Hz) |
| Rated Speed | 2923 - 2980 (50Hz) & 3506 - 3575 (60Hz) |
*Motors rated at this voltage are available only for power ratings from 15 to 100 Hp.
4 POLE
| Rated Output | 10 HP - 400 HP |
| Rated Voltage | 380-415v (50Hz), 208-230v* (60Hz), 380-400v (60Hz), 460v (60Hz) & 575v (60Hz) |
| Rated Speed | 1460-1480 RPM (50Hz) & 1750 -1780 RPM (60Hz) |
** Motors rated at this voltage are available only for power ratings from 15 to 100 Hp.