Leeson LM21118, 10:1 Speed Ratio Variable Speed Motor, 50 HP, 230/460 Volts, 65.0 Amps, 3 Phase, 1785 RPM, 60 Hz, ODP Enclosure, 326T Frame, Rigid Base, Rolled Steel Frame, Model no: SD4P50T61YQ40

SKU #: LM21118
Brand: Leeson
Available For Order! (Ships in 1-2 Days)This product is direct shipped from the manufacturer to our distribution center where it is checked, packaged and processed by our quality control team. The shipping time shown is the estimated number of business days the product will ship out from our warehouse, excluding any manufacturer back logs or delays.
FREE SHIPPING ON THIS ITEM ! Offer applies to the lower 48 states and excludes Alaska, Hawaii, APO/FPO and international orders. Free standard shipping applies to U.S. orders only and to select items that meet UPS Standard Ground container/cube requirements. Free Shipping
Call Sales Counter !
Order By Phone
Calculate Shipping Ship Weight (522.00 lbs)
0 reviews for this product


Leeson 10:1 Speed Ratio Variable Speed Motor

We have a reputation for building “Mission Critical” motors for some of the toughest industries in the world. For over 30 years we have been building NEMA Premium energy efficient motors. we offer motors and integrated motor/control solutions with IE4 and higher efficiencies.

  • Variable torque speed range with open loop drive of 0-60 Hz
  • Constant horsepower speed range of 2x base speed
  • Ultimate Spike Defense Insulation System
  • 1.00 service factor on PWM waveform
  • 1.15 service factor or better on sine-wave power
  • Precision dynamic balanced rotor assembly
  • Thermal overload protection (Class F thermostats)
  • BrandLeeson
    Model noSD4P50T61YQ40
    Product Type 10:1 Speed Ratio Variable Speed Motor
    Horsepower50 HP
    Voltage230/460 Volts
    Output KW37.0 kW
    Frequency60 Hz
    Speed1785 RPM
    Current65.0 Amps
    Frame Size326T
    Motor OrientationHorizontal
    Number of Poles4
    Mounting TypeRigid Base
    Frame MaterialRolled Steel
    Overall Length27.51 in
    Service Factor1
    Efficiency @ 100% Load93%
    Duty RatingContinuous
    Overload ProtectorNo
    Electrical TypeSquirrel Cage Inverter Duty
    Starting MethodWye Start Delta Run Or Inverter
    Design CodeB
    KVA CodeG
    Frame Length15.63 in
    Shaft Diameter2.125 in
    Insulation ClassF
    Opp Drive End BearingBall
    Drive End Bearing Ball
    Shaft Extension Location5.25 in
    Shaft RotationReversible
    Shaft TypeT
    Ambient Temperature40 °C
    Agency ApprovalsCSA, CE, UL

    Call Our Sales Counter For Assistance, Price Quotes, Availability & To Place An Order

    Inspector Pumphead & Our Customer Service Representatives Are Available

    Mon-Fri 7:30 am to 5:00 pm EST

    Call Toll Free: 800-429-0800

    "Ask Inspector PumpHead"

    *Note: Picture is illustrative and may not reflect the actual product.*