Specifications

• Motor Phase
  3 ph
• Motor Horsepower
  350 hp
• Country of Origin
  USA
• Synchronous Rpm
  1800 rpm
• Motor Supply Voltage
  575 V
• Frame Size
  447TP
• Enclosure Type
  WPI (Weather Protected Type I)
• Frequency Rating
  60 Hz
• Base RPM
  1780 rpm
• Duty Condition Type
  Continuous Duty
• Mounting Type
  Vertical
• Full Load Efficiency
  95.8 %
• Motor Poles
  4
• Description
  If a pumping system is critical to your operations, you can rest easy when you choose the gold standard for vertical motors to power it. U.S. Motors® brand vertical hollow shaft and solid shaft pump motors have been setting the bar for the vertical turbine pump industry since 1922. Known for their longevity, reliability and ease of use, our vertical HOLLOSHAFT® and solid shaft pump motors can be configured to satisfy specific vertical motor application requirements. These durable vertical motors from Nidec Motor Corporation will keep your farming, turf, municipal or industrial pumps up and running for the long haul, in even the harshest conditions. Whether you need extra protection against dust or corrosion, or a ventilation system to keep your electrical components cool, you will find a U.S. Motors® brand vertical motor in the size and with the innovative, performance-focused design you seek.
• Description Keyword
  350 hp
• NEMA Design Class
  B
• Service Factor
  1.15
• Frame Material
  Cast Iron
• Insulation Class
  F
• Standards Met
  EE, NEMA Premium
• Weight
  2200 lbs
• Harmonization Code
  8501.53.8040
• Manufacturer Upc Number
  786382104078
• UPC_NO
  786382104078
• Manufacturer Product Page
  Click here
• Model
  HB53
• Motor Category
  Vertical Hollow Shaft Motor (Inverter Duty)
• Wiring Diagram
  Click here
• 2D Drawing
  Click here
• Max Allowable Current
  310 A
• Product Types
  AC Motors
• Torque
  1031.6 ft-lbs
• Opposite Drive End Bearing
  7322 BEM
• Product Type
  General Purpose Motors