enclosed cooling fan

Horizontal TOTALLY ENCLOSED FAN COOLED

National Motors’ NM Series consists of motors designed for fire pump applications as specified in NFPA 20 (Standard for
the Installation of Stationary Pumps for Fire Protection). They are designed as per the requirements of NEMA MG-1 standard Design B.

Totally Enclosed Fan Cooled Enclosures provide better protection and seals inner windings, contacts and bearings from
outside environment including dust, airborne contaminants and many other weather disturbances

Description

National Motors’ NM Series consists of motors designed for fire pump applications as specified in NFPA 20 (Standard for
the Installation of Stationary Pumps for Fire Protection). They are designed as per the requirements of NEMA MG-1 standard Design B.

Totally Enclosed Fan Cooled Enclosures provide better protection and seals 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.

SPECIFICATIONS

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)

4 POLE

Rated Output

10 HP – 400 HP

Rated Voltage

380 – 415V (50Hz), 208 – 230v(60Hz), 380-400v (60Hz), 460v (60Hz) & 575v (60 Hz)

Rated Speed

1460 – 1480 RPM (50Hz) & 1750 – 1780 RPM (60Hz)