E197A New Marathon Electric Pump Motor, Model 256TTDR16026 20 HP, 1770 RPM, 256JM Frame

Description

Marathon electric pump motor Catalog E197A Model 256TTDR16026

20HP, 1770 RPM, 256JM Frame

**REPLACES: Catalog E197 Model 256TTDX4075

Nameplate Specifications

Output HP 20 Hp Output KW 14.9 kW

Frequency 60 Hz

Voltage 230/460 V Current 49/24.5 A

Speed 1770 rpm

Service Factor 1.15 Phases 3

Efficiency 93.6 %

Duty CONTINUOUS

Insulation Class B

Design Code B KVA Code G

Frame 256JM

Enclosure DP

Overload Protector NOT

Ambient Temperature 40 °C

Drive End Bearing Size 6309 Opp Drive End Bearing Size 6207

UL Recognized CSA Y CE Y

IP Code 12

Technical Specifications

Electrical Type SQ CAGE IND RUN

Starting Method ACROSS THE LINE

Poles 4

Rotation REV Mounting RIGID Motor Orientation HORIZONTAL

Drive End Bearing BALL Opp Drive End Bearing BALL

Frame Material ROLLED STEEL

Shaft Type JM

Overall Length 21.89 in

Shaft Diameter 1.63 in

Shaft Extension 5.28 in

Assembly/Box Mounting F1/F2 CAPABLE

Features

NEMA JM pump shaft dimensions
JMV frame includes drip cover for vertical mount without base
JM frame has rigid base, drip cover not included
Mechanically locked on shaft end
Continuous duty

 

 

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