Specifications

• Motor Category
  Chiller/Cooling Tower Motor (Multi Speed)
• Motor Phase
  3 ph
• Motor Horsepower
  20 hp, 5 hp
• Synchronous Rpm
  1800 rpm, 900 rpm
• Motor Supply Voltage
  460 V
• Frame Size
  256T
• Enclosure Type
  TEFC
• Frequency Rating
  60 Hz
• Duty Condition Type
  Continuous Duty
• Base RPM
  1760 rpm / 875 rpm
• Full Load Current
  24.40 A
• Starting Method
  Direct on line
• Electrical Type
  Three Phase
• KVA Code
  H
• Full Load Efficiency
  0.91
• Amps @ Voltage
  23.6 A @ 460 V
• Volts @ Frequency
  460 V @ 60 Hz
• Ambient Temperature Range
  104 °F;40 °C
• Description
  20HP, 1770RPM, 3PH, 60HZ, 256T, TEFC, FOOT
• Assembly Box Mounting
  F1
• Description Keyword
  20 hp / 5 hp
• Shaft Diameter
  1.6250 in
• Overall Length C Dimension
  24.78 in
• Type Of Bearing
  Ball
• Drive End Bearing Size
  6309
• Opposite Drive End Bearing Size
  6309
• Opposite Drive End Bearing Type
  Ball
• Frame Material
  Cast Iron
• Insulation Class
  F
• NEMA Design Class
  B
• Service Factor
  1.15
• Standards Met
  UR, CSA
• Weight
  365 lbs
• Harmonization Code
  8501.52.4000
• Applications
  High moisture environment fan motor for mounting in the air stream of cooling towers.
• Hp
  20 hp
• UPC_NO
  781568457337
• Manufacturer Product Page
  Click here
• Manufacturer Catalog
  Click here
• Wiring Diagram
  Click here
• Manufacturer Catalog Number
  CTM1762T
• Instructional Video
  Click here
• Additional Details
  High efficiency severe duty multi-speed axial fan motors. Class F insulation, 1.15 service factor. Lip seal, shaft slinger, and T-drain in both ends. Electrical design is single winding variable torque. Double shielded ball bearings. Burndy type YA compression lead lugs.
• Mounting Type
  Foot
• Number Of Speeds
  2
• Overall Length
  24.7800 in
• Product Type
  Air Handling (HVAC) Motors