Specifications

• Motor Phase
  3 ph
• Motor Horsepower
  250 hp
• Country of Origin
  USA
• Synchronous Rpm
  1800 rpm
• Motor Supply Voltage
  460 V
• Frame Size
  449T
• Enclosure Type
  TEFC (Totally Enclosed Fan Cooled)
• Frequency Rating
  60 Hz
• Base RPM
  1785 rpm
• Duty Condition Type
  Continuous Duty
• Mounting Type
  Horizontal / Foot
• Full Load Efficiency
  96.2 %
• Motor Poles
  4
• Description
  Severe duty motors must stand up to the harshest of industrial processing elements, and Nidec Motor Corporation's line of U.S. Motors® brand motors do just that. Our motors are designed to be efficient, dependable and meet energy efficiency regulations. Manufactured to exceed the industry's most stringent IEEE 841 standards, our U.S. Motors® brand 841 PLUS® motors are commonly used in severe duty environments for pumps, compressors, fans, blowers and other material processing applications. These rugged motors are ideal for constant speed or inverter duty applications typically found in the oil and gas, chemical, pulp and paper, wastewater, automotive and mining industries. U.S. Motors® brand 841 PLUS® motors are rated NEMA Premium® efficient. Low-loss silicon steel construction and streamlined design enables these motors to operate at lower temperatures, resulting in lower energy costs. Nidec Motor Corporation's U.S. Motors® line of high-performance commercial and industrial severe duty motors is designed to help businesses reduce energy consumption and comply with regulations. These motors typically feature upgraded open drip-proof and totally enclosed motors that meet or exceed NEMA Premium® efficiency requirements. If none of our stock motors quite fit the bill, we can also customize severe duty motors or systems to meet your unique specifications.
• Description Keyword
  250 hp
• Shaft Diameter
  3.3750 in
• Overall Length C Dimension
  55.1 in
• NEMA Design Class
  B
• Service Factor
  1.15
• Frame Material
  Cast Iron
• Insulation Class
  F
• Standards Met
  EE, NEMA Premium
• Weight
  2700 lbs
• Harmonization Code
  8501.53.8040
• Manufacturer Upc Number
  786382075958
• Manufacturer Product Page
  Click here
• Model
  FJ92
• Motor Category
  IEEE 841 Motor
• Wiring Diagram
  Click here
• 2D Drawing
  Click here
• Max Allowable Current
  273 A
• Product Types
  AC Motors
• Torque
  735.2 ft-lbs
• Opposite Drive End Bearing
  75BC03J3
• Product Type
  General Purpose Motors