Electrical Motor

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.

Description

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.