US Motors (Emerson / Nidec) General Purpose AC Motors

General Purpose Unimount Motors

  • World Motor® Features, Except Where Noted
  • Class F Insulation, Class B Rise at Full Load On 60 Hertz Sine Wave Power
  • Aluminum Frame (180-280)
  • "CE" Mark on Nameplate (140 Frame & Larger)
  • Shaft Slinger on Pulley End
  • Full 50 & 60 Hertz Operating Data on Nameplate (03)
  • Full HP @ 50 Hz
  • 40°C Ambient, NEMA® Design B Performance On 60 Hertz Sine Wave Power
  • Regreasable ShaftEnd Bearings 180 Frame & Up
  • Sealed Bearings 56-140 Frame, Double Shielded 180-280 Frame
  • Suitable for WyeDelta Start 250 Frame & Larger
  • Dual Voltage Ratings Suitable for Part Winding Start (PWS) on Low Voltage
  • Lifting Provisions 180 Frame & Up
  • Conv... Read More



General Purpose Three Phase, Totally Enclosed Fan Cooled (TEFC) Hostile Duty NEMA Premium ® Efficient – IE3 Motors

  • For pulp & paper plants, saw mills, mines, foundries, chemical plants, waste management facilities, and other process-related industries requiring protection within harsh operating conditions.
  • World Motor® Features, Except Where Noted
  • Class F Insulation, Class B Rise At Full Load On 60 Hertz Sine Wave Power
  • Cast Iron Frame (140: Rolled Steel), Cast Iron End Brackets
  • Corrosion Resistant Mill & Chemical Duty Paint
  • Stainless Steel Nameplate (with CE Mark) & Zinc Plated Hardware
  • Shaft Slinger On Pulley End For IP54 Protection
  • Dual Voltage 230/460 Volts (1-100 HP)
  • 40°C Ambient, NEMA® Design B Performance On 60 Hertz Sine Wave Power<... Read More



General Purpose Three Phase, Totally Enclosed Fan Cooled (TEFC) 841 Plus ® NEMA Premium ® Efficient – IE3 Motors

  • For constant speed and inverter duty applications in petro-chemical, pulp & paper, automotive, mining and waste treatment industries.
  • Inverter Grade® Insulation System (Meets NEMA® MG-1 Part 31)
  • Class F Insulation, Class B Rise At Full Load (Sine Wave Power)
  • All Cast Iron Construction (Steel Mounting Base On 140 Frame)
  • Corrosion Resistant Mill & Chem Duty Paint (250 Hour Salt Spray Test)
  • Stainless Steel Nameplate (with CE Mark) & Zinc Plated Hardware
  • 40°C Ambient, NEMA® Design B Performance (Sine Wave Power)
  • VBXX® Bearing Isolators By Inpro/Seal For IP55 Protection
  • Same Size Regreasable Open Bearings, Brass Breathers/Dr... Read More



General Purpose e-Line All Cast Iron Motors

  • Fully Compliant with EISA Standards
  • INVERTER GRADE® Insulation System to Meet NEMA® MG-1 Part 31 Specification on 140 to 280 Frames, NEMA® MG-1 Part 30 Specification on 320 to 440 Frames
  • 10:1 Variable Torque; 5:1 Constant Torque on Inverter Power
  • 40°C Ambient, Continuous Duty
  • Double Shielded Bearings through 280 Frame, Open Bearings 320 to 440 Frame
  • Double Drilled Feet to Accommodate Mounting Flexibility
  • Vacuum Pressure Impregnation (VPI) Insulation
  • NEMA® Design B Performance
  • Shaft Seal V-Ring
  • Lifting Provisions
  • Field Convertible to F2 Mounting
  • Corrosion Resistant Mill & Chemical Duty Paint
  • Division 2 Nameplated Read More



General Purpose Three Phase Open Dripproof (ODP) NEMA Premium ® Efficient – IE3 Motors

  • For use in pumps, fans, compressors, material handling and other general purpose applications where contaminants are minimal
  • World Motor® Features Except Where Noted
  • Class F Insulation, Class B Rise At Service Factor
  • Rolled Steel Frame 56-320, Cast Iron Frame 360-440
  • Aluminum End Shields 56-250, Cast Iron End Shields 280-440
  • “CE” Mark on Nameplate (140 Frame & Larger)
  • 40°C Ambient, NEMA® Design B Performance On 60 Hz Sine Wave Power
  • 1.15 Service Factor
  • Regreasable Bearings 180 Frame & Up
  • Double Shielded Bearings 140-400, Open On 440
  • Bearing Caps On 400 & 440 Frames
  • F1 Assembly Position exc... Read More



General Purpose Three Phase, Totally Enclosed Fan Cooled (TEFC) Div. 1 Hazardous Location, NEMA Premium ® Efficient – IE3, Dual Label Motors

  • UL® Listed & CSA® Certified
  • Cast Iron Inner Bearing Caps (180 Frame & Larger)
  • 40°C Ambient, NEMA® Design B Performance
  • Regreasable Bearings, 180 Frame & Up
  • Lifting Provisions, 180 Frame & Up
  • Conversion Kits: Cast Iron Fan Cover (180 Frame & Up)
  • Sealed Bearings 56-140, Shielded 180 Frame & Up
  • Class, Group & Temp Code as Noted Below



General Purpose Automotive Duty, U Frame Footed, Premium Efficient Motors

  • For automotive and process industries where "U" Frame sizes are specified. Built to meet General Motors GM7EH, Ford EM-1 and Chrysler NPEM-105 specifications
  • Class F Insulation, 60°C Rise At Full Load
  • Cast Iron Frame & End Brackets
  • Corrosion Resistant Mill & Chemical Duty Paint
  • Stainless Steel Nameplate (with CE Mark) & Zinc Plated Hardware
  • Shaft Slinger On Pulley End For IP54 Protection
  • 1.15 SF @ 40°C; 1.0 SF @ 65°C Ambient, NEMA® Design B On 60 Hertz Sine Wave Power
  • Regreasable Double Shielded Bearings w/”Straight-Through” Lube System
  • 85 dBA Max Sound Power Level
  • Precision Balance (< 0.075 In/Sec V... Read More



General Purpose ReadyLine ® Cooling Tower Duty, Three Phase, Totally Enclosed Fan Cooled (TEFC) NEMA Premium ® Efficient, Inverter Duty 10:1 (6-60Hz Variable Torque) Motors

  • For use in Cooling Tower, Evaporative Condenser and other commercial and industrial applications requiring protection from harsh operating conditions with high humidity.
  • INVERTER GRADE® Motors with Insulation that Exceeds the NEMA® MG-1 Part 31 Standard
  • Double Dip & Bake, 100% Solids, Polyester Insulation On Windings
  • Class F Insulation, 40°C Ambient
  • Cast Iron Frame
  • Bearing Isolators on “wet” end for vertical mounting positions
  • Double-Sealed, same-size bearings both ends
  • Sealed Bracket-to-Frame Registers & Leads
  • Stainless Steel Nameplate & Zinc Plated Hardware
  • 1.15 Service Factor
  • Rotor Balance bette... Read More