U351A New Marathon Electric Motor, Model 256TTFL16004, 20 HP, 3537 RPM, 256JM Frame

Description

Marathon electric motor Catalog U351 updated to U351A

Model 256TTFL16004

20HP, 3537 RPM, 256JM Frame

**REPLACES: Catalog U351 Model 256TTFL4006

Nameplate Specifications

Output HP 20 Hp Output KW 14.9 kW

Frequency 60 Hz

Voltage 230/460 V Current 47/23.4 A

Speed 3537 rpm

Service Factor 1.15 Phases 3

Efficiency 92.4 %

Duty CONTINUOUS

Insulation Class F

Design Code B

KVA Code G

Frame 256JM

Enclosure TEFC

Overload Protector NOT

Ambient Temperature 40 °C

Drive End Bearing Size 6309 Opp Drive End Bearing Size 6208

UL Recognized CSA Y CE Y

IP Code 43

Technical Specifications

Electrical Type SQ CAGE IND RUN

Starting Method ACROSS THE LINE

Poles 2 Rotation REV

Mounting RIGID Motor Orientation HORIZONTAL

Drive End Bearing BALL Opp Drive End Bearing BALL

Frame Material ALUMINUM

Shaft Type JM

Overall Length 27.27 in

Frame Length 13.75 in

Shaft Diameter 1.25 in

Shaft Extension 5.25 in

Assembly/Box Mounting F1/F2 CAPABLE

APPLICATIONS:

Close-coupled pumps where the pump impeller is mounted directly on the motor shaft in damp, dusty, or dirty environments.

Features:

*NEMA JM pump shaft dimensions

*Ball bearings, mechanically locked on shaft-end

*Capacitor start / capacitor run design for higher efficiency

*Continuous duty

*1.0 Service Factor (Except as noted)

*UL Recognized and CSA Certified

*CLICK HERE FOR AN IMMEDIATE QUOTE!  

*PLEASE INCLUDE YOUR DAYTIME CONTACT DETAILS, AND THE INFORMATION FROM THE NAMEPLATE OF YOUR MOTOR, PUMP, OR GEAR-PRODUCT.

 

*MOST ORDERS SHIP SAME DAY FROM STOCKING LOCATIONS THROUGHOUT THE USA!