Marathon Electric 445TTFN6540 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 445TTFN6540

Catalog No: E450

250 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 445T Frame, TEFC

Other Severe Duty Motors

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

©2019 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 445TTFN6540, Catalog No:E450 250 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 445T Frame, TEFC

Nameplate Specifications

Output HP 250 Hp Output KW 187.0 kW
Frequency 60 Hz Voltage 460 V
Current 285.0 A Speed 1785 rpm
Service Factor 1.15 Phase 3
Efficiency 95.8 % Power Factor 86
Duty Continuous Insulation Class F
Design Code A KVA Code H
Frame 445T Enclosure Totally Enclosed Fan Cooled
Thermal Protection No Ambient Temperature 40 °C
Drive End Bearing Size NU318 Opp Drive End Bearing Size 6316
UL Recognized CSA Y
CE Y IP Code 54

Technical Specifications

Electrical Type Squirrel Cage Inverter Rated Starting Method Line Or Inverter
Poles 4 Rotation Reversible
Resistance Main .0145 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Roller
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type T Overall Length 20.75 in
Frame Length 20.50 in Shaft Diameter 3.375 in
Shaft Extension 8.5 in Assembly/Box Mounting F1/F2 Capable

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:01/11/2019

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