Marathon Electric 449TTFS18105 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 449TTFS18105

Catalog No: L471

250 HP General Purpose Motor, 3 phase, 900 RPM, 460 V, 449TZ Frame, TEFC

Three Phase TEFC 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: 449TTFS18105, Catalog No:L471 250 HP General Purpose Motor, 3 phase, 900 RPM, 460 V, 449TZ Frame,
TEFC

Nameplate Specifications

Output HP 250 Hp Output KW 187.0 kW
Frequency 60 Hz Voltage 460 V
Current 330.0 A Speed 890 rpm
Service Factor 1 Phase 3
Efficiency 94.5 % Power Factor 75
Duty Continuous Insulation Class H
Design Code B KVA Code F
Frame 447/449TZ Enclosure Totally Enclosed Fan Cooled
Thermal Protection No Ambient Temperature 40 °C
Drive End Bearing Size NU322 Opp Drive End Bearing Size 6318
UL Recognized CSA Y
CE Y IP Code 43

Technical Specifications

Electrical Type Squirrel Cage Induction Run Starting Method Part Wdg Start & Wye Start Delta Run
Poles 8 Rotation Reversible
Resistance Main .0135 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Roller
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type Single Special Extension Overall Length 56.79 in
Frame Length 28.75 in Shaft Diameter 3.375 in
Shaft Extension 4.75 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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