Marathon Electric L457A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 449TTFS16384

Catalog No: L457A

250 HP, General Purpose Motors, 3 phase, 1200 RPM, 460 V,449T Frame, TEFC

Three Phase TEFC Motors

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

©2020 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 449TTFS16384, Catalog No:L457A 250 HP, General Purpose Motors, 3 phase, 1200 RPM, 460 V,449T Frame,
TEFC

Nameplate Specifications

Output HP 250 Hp Output KW 187.0 kW
Frequency 60 Hz Voltage 460 V
Current 300.0 A Speed 1190 rpm
Service Factor 1.15 Phase 3
Efficiency 95.8 % Power Factor 81
Duty Continuous Insulation Class H
Design Code B KVA Code G
Frame 449T Enclosure Totally Enclosed Fan Cooled
Thermal Protection No Ambient Temperature 40 °C
Drive End Bearing Size 6319 Opp Drive End Bearing Size 6318
UL Recognized CSA Y
CE Y IP Code 43

Technical Specifications

Electrical Type Squirrel Cage Inverter Rated Starting Method Line Or Inverter
Poles 6 Rotation Reversible
Resistance Main .012 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type T Overall Length 28.25 in
Frame Length 28.77 in Shaft Diameter 3.375 in
Shaft Extension 8.75 in Assembly/Box Mounting F1/F2 CAPABLE
Outline Drawing B-SS515635-2875 Connection Drawing A-EE7300BH

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:06/11/2020

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