(302) 678-0400

My Cart:

0 item(s) - $0.00
You have no items in your shopping cart.


More Views

811557.00 Leeson Motor 20HP 1800RPM 256T TEFC 460V 3PH 256THFNA19050

811557.00 LEESON Three Phase Severe Duty IEEE 841 Premium Electric Motors are ideal for harsh and severe duty applications requiring a premium efficient motor.

Availability: In stock

Regular Price:


Special Price:


  • OR


    Leeson Model # 256THFNA19050

    811557.00 Leeson totally enclosed fan cooled severe duty IEEE 841 Premium efficient motors feature a inpro shaft seals and Made in the USA. They can be used in harshest environments that you may find in refineries, above-ground mines, paper and pulp mills and other severe duty applications. More features include:


    • 5 Year Warranty
    • Inverter rated insulation system
    • Re-greasable bearings
    • Epoxy paint
    • Test data supplied with each motor
    • IP56 enclosure protection
    • Tested to IEEE45 USCG Marine Duty API RP14F for offshore platforms
    • Division 2 CSA certification
    • Cast Iron construction
    • Dual Voltage Design




    • Voltage: 460 
    • Amps: 24.1
    • Service Factor: 1.15
    • "C" Dimension: 25.27


    Engineering Data

    Volts 460 Volts   Volts  
    F.L. Amps 24.1 F.L. Amps   F.L. Amps  
    S. F Amps 27 S. F Amps   S. F Amps  

    RPM 1800 Hertz 60    
    KW 14.9        
    Frame 256T Serv. Factor 1.15 Phase 3
    Max Amb 40 Design B Code G
    Insul Class F Protection NOT Therm.Prot.  
    Eff 100% 93 Eff 75% 93.6 PF 84
    UL V-INS, CONST UL REC CSA No Bearing OPE 210
    CC Number CC005A CE Yes Bearing PE 309
    Load Type   Inverter Type   Speed Range 1.5 X BASE SPEED

    Motor Wt. 425 LB Enclosure TEFC Lubrication VERIFY
    Nameplate   Mounting RIGID Rotation REV
    Assembly   Shaft Dia. 1-9/14 IN Ext. Diag. A-EE7300-LE
    Cust Part No   Outline B-SS203002LE-1225 Ext. Diag2  
    Packaging B     Winding K2564164
    Carton Label       GROUP:
    Iris   Paint GREEN - LEESON (EPOXY) Test Card