ELECTRIC MOTOR DRIVEN PUMPS

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.

INTRODUCTION
  • 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
TECHNICAL DATA
Advanced Tools

SERIES: NM, TEFC ENCLOSURE 2 POLE

Rated Output10 HP - 500 HP
Rated Voltage380-400-415v (50Hz), 208-230v* (60Hz), 380-400v (60Hz), 440-460v (60Hz) & 575 (60Hz)
Rated Speed2923 - 2980 (50Hz) & 3506 - 3575 (60Hz)

*Motors rated at this voltage are available only for power ratings from 15 to 100 Hp.

4 POLE

Rated Output10 HP - 400 HP
Rated Voltage380-415v (50Hz), 208-230v* (60Hz), 380-400v (60Hz), 460v (60Hz) & 575v (60Hz)
Rated Speed1460-1480 RPM (50Hz) & 1750 -1780 RPM (60Hz)