Marathon Electric U872A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTFNA16574

Catalog No: U872A

20,1800,TEFC,256T,3/60/230/460

Cooling Tower

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Product Information Packet: Model No: 256TTFNA16574, Catalog No:U872A 20,1800,TEFC,256T,3/60/230/460
Nameplate Specifications

Output HP 20 Hp Output KW 14.9 kW
Frequency
Current 48.0/24.1 A Speed 1775 rpm
Service Factor
Efficiency
Insulation Class F Design Code B
KVA Code
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature 40 °C Drive End Bearing Size 6309
Opp Drive End Bearing Size
CSA Y CE Y
IP Code

60 Hz

1.15
93 %

G

6210

55

Voltage

Phase
Duty

Frame

UL

230/460 V

3
Continous

256T

Recognized

Technical Specifications

Electrical Type
Poles
Mounting Rigid Base Motor Orientation Horizontal

Squirrel Cage Inverter Rated
4

Starting Method
Rotation

Line Or Inverter
Reversible

Drive End Bearing
Frame Material Cast Iron Shaft Type T
Overall Length 25.40 in Frame Length 12.25 in
Shaft Diameter
Assembly/Box Mounting F1/F2 Capable
Outline Drawing

Ball

1.625 in

B-SS203002-1225

Opp Drive End Bearing

Shaft Extension

Connection Diagram

Ball

4.2 in

A-EE7308

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 10/08/2018

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