Marathon Electric 256TTFNA6030 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTFNA6030

Catalog No: E308

20,1800,TEFC,256T,3/60/575

Totally Enclosed Fan Cooled (TEFC)

Regal and Marathon are trademarks of Regal Beloit Corporation or one of its affiliated companies.

©2018 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 256TTFNA6030, Catalog No:E308 20,1800,TEFC,256T,3/60/575

Nameplate Specifications

Output HP
Frequency 60 Hz Voltage 575 V
Current
Service Factor
Efficiency 93 % Duty Continous
Insulation Class
KVA Code G Frame 256T
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 6210 UL Recognized
CSA
IP Code

20 Hp

19.5 A

1.15

F

40 °C

Y
43

Output KW

Speed
Phase

Design Code

Drive End Bearing Size

CE

14.9 kW

1775 rpm
3

B

6309

Y

Technical Specifications

Electrical Type
Poles 4 Rotation Reversible

Squirrel Cage Induction Run

Starting Method

Across The Line

Mounting
Drive End Bearing Ball Opp Drive End Bearing Ball
Frame Material Cast Iron Shaft Type T
Overall Length
Shaft Diameter 1.625 in Shaft Extension 4.2 in
Assembly/Box Mounting
Outline Drawing

Rigid base

25.27 in

F1/F2 Capable
B-SS203015-1225

Motor Orientation

Frame Length

Connection Diagram

Horizontal

12.25 in

A-EE7300

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 06/29/2018

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