Marathon electric motor Catalog GT0026
*OBSOLETE, REPLACED WITH THE NEW CENTURY ELECTRIC MOTOR #TO139
Nameplate Specifications
Output HP 20 Hp Output KW 14.9 kW
Frequency 60 Hz
Voltage 230/460 V
Current 52.5.26.3 A
Speed 1182 rpm
Service Factor 1.15
Phases 3 Efficiency 92.4 %
Duty CONTINUOUS
Insulation Class F Design Code B
KVA Code F
Frame 286T
Enclosure DP
Overload Protector NOT
Ambient Temperature 40 °C
Drive End Bearing Size 6311 Opp Drive End Bearing Size 6210
UL Recognized CSA Y CE Y
IP Code 12
Technical Specifications
Electrical Type SQ CAGE
INV RATED
Starting Method Y START D RUN OR INV
Poles 6
Rotation REV
Mounting RIGID
Motor Orientation HORIZONTAL
Drive End Bearing BALL Opp Drive End Bearing BALL
Frame Material CAST IRON
Shaft Type T
Overall Length 27.09 in
Shaft Diameter 1.88 in
Shaft Extension 4.62 in
Assembly/Box Mounting F1/F2 CAPABLE
Guaranteed efficiencies offer an eXtra Return on your Investment when using Marathon premium efficiency motors on high cycle or long run time applications.
Features:
*Meets or exceeds NEMA Premium® efficiencies
NEMA Premium® models are in compliance with EISA2007
• Motors are suitable for 10:1 VT on all frame sizes and
10:1 CT up to 365T frame (Except where noted)
• 1.15 Service Factor
• Class F Insulation
• Nameplated 60/50 hertz
• UL Recognized, CSA Certified and CE Marked
• Three year warranty
OTHER APPLICATIONS MAY INCLUDE:
Pumps – Conveyors – Compressors -Turntables – Textile machinery – Treadmills
Reeling equipment – Sports Equipment – Medical equipment – Spreaders – Fans
Packaging Equipment – Power Transmissions – Test Equipment – Printing presses – Machine tools – Air movers – Mixers
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*Please include your daytime contact information, and any details such as motor nameplate information, and a brief description of the application of the motor.
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