Vertical Hollow Shaft Motor

Vertical Hollow Shaft Motor

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NAFFCO

Vertical Hollow Shaft Motor

National Motors’ NVHS 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 certified by UL as per the requirement of UL 10045 ‘Standard for Fire Pump Motors’. These Vertical Hollow Shaft three-phase asynchronous motors are constructed and manufactured as per the requirements of NEMA MG 1 standard Design B.
 
The Weather Protected Type I Enclosure of these motors minimizes the entrance of rain and air-borne particles to the electric parts. Steel mesh screens are added to the enclosure at appropriate locations to further enhance the protection.
 

Brand

NAFFCO

Features

  1. Frequency: 50 & 60 Hz
  2. 1.15 Service Factor
  3. 50°C Ambient Temperature rating
  4. Angular Contact Ball Bearing
  5. 2 / 4 Pole
  6. UL File No. EX26863
  7. Stainless Steel name plate
  8. RAL 3000 Standard red painted
  9. Non – Reversible Ratchet Device
  10. Altitude rating of 1000 meters above sea level
  11. NEMA MG1 Design Standard
  12. Low Noise & Low Vibration
  13. Suitable for various standard starters such as across the line, wye-delta, soft starter etc.

Ratings

SERIES: NM, WP1 ENCLOSURE

2 Pole

Rated Output20 HP – 100 HP
Rated Voltage380 – 415v (50 & 60Hz)
Rated Speed2929 – 2941 RPM (50Hz) & 3515 – 3529 RPM (60Hz)

4 POLE

Rated Output15 HP – 400 HP
Rated Voltage380 – 415v (50 & 60Hz), 208 – 230v (60 Hz), 460v (60 Hz)
Rated Speed1465 – 1488 RPM (50Hz) & 1758 – 1789 RPM (60Hz)

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