Marathon Electric 449THFS8037 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 449THFS8037

Catalog No: Y580

300 HP Variable Speed Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC

2000:1 With Encoder Provision 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: 449THFS8037, Catalog No:Y580 300 HP Variable Speed Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC

Nameplate Specifications

Output HP 300 Hp Output KW 224.0 kW
Frequency 60 Hz Voltage 460 V
Current 330.0 A Speed 1788 rpm
Service Factor 1 Phase 3
Efficiency 95.4 % Power Factor 89.5
Duty Continuous Insulation Class H
Design Code INV KVA Code J
Frame 447/449T Enclosure Totally Enclosed Fan Cooled
Thermal Protection Thermostats (N/C) 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 Duty Starting Method Inverter Only
Poles 4 Rotation Reversible
Resistance Main .0085 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 54.03 in
Frame Length 28.75 in Shaft Diameter 3.375 in
Shaft Extension 8.75 in Assembly/Box Mounting F1/F2 CAPABLE
Connection Drawing A-EE7300T Outline Drawing B-SS555991-2875

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:05/05/2020

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Uncontrolled Copy

Regal Beloit America, Inc.

TM

COPYRIGHT REGAL BELOIT AMERICA, INC. ALL RIGHTS RESERVED.

PROPRIETARY AND CONFIDENTIAL INFORMATION - THIS DOCUMENT IS THE PROPERTY OF

REGAL BELOIT AMERICA, INC. ("OWNER") AND CONTAINS OWNER'S PROPRIETARY

INFORMATION. ANY PERSON, CORPORATION OR OTHER FIRM RECEIVING IT IS DEEMED,
BY RECEIVING IT, TO AGREE THAT IT, AND/OR ANY PART OF IT, SHALL NOT BE DISCLOSED
TO ANY PERSON, CORPORATION OR OTHER ENTITY, DUPLICATED, AND/OR USED, EXCEPT

AS EXPRESSLY APPROVED IN WRITING IN ADVANCE BY OWNER. THIS DOCUMENT SHALL

BE RETURNED TO OWNER UPON REQUEST. IT MAY BE SUBJECT TO CERTAIN

RESTRICTIONS UNDER APPLICABLE EXPORT CONTROL LAWS AND REGULATIONS.

TOLERANCES UNLESS
OTHERWISE SPECIFIED:

DEC.

INCH

mm

ANGLE

.X

0.1 [ 2.5]

7' 30"

.XX

0.03 [

0.76]

XXX

0.005 [ 0.127]

.XXXX

0.0005 [ 0.0127]
REMOVE BURRS & BREAK SHARP
EDGES: .003/.015 [.076/.381]
CORNER FILLETS: .02 [.51]
MACHINED SURFACES:

200

5.1

INCH mm
mm SHOWN IN [BRACKETS]

1

2

4

3

A

B

2

4

3

1

A

B

ECO DESCRIPTION

DATE

APPROVED BY

DATE

REVISION BY

ECO

DRAWING REVISION

PROCESS/FINISH

MATERIAL

SHEET

DRAWING NUMBER

SIZE

DESCRIPTION

THIRD ANGLE
PROJECTION

DRAWN BY

DATE

DATE

APPROVED BY

B

TEFC - 447/449T FR.

1 OF 1

SS555991

W. JOERGER

12-19-2013

E. HEIL

12-19-2013

A

W. JOERGER

12-19-2013

ECO-0043627

E. HEIL

12-19-2013

UPDATED TO CURRENT STANDARDS

OUTLINE

18.00

457.2

21.00

533.4

3.01

76.5

1.16

29.5

26.49

672.8

9.00

228.6

11.00

10.94

279.4

277.9

27.61

701.3

19.31

490.5

25.69

652.5

39.38

1000.3

6.94

176.3

Ø4.62 [117.3]
LEAD HOLE

Ø.81 - .86 6 HOLES
[20.6 - 21.8]

8.50

215.9

8.75

222.2

9.88

251.0

3.375

3.374

85.71

85.69

DIM C

DIM BS

7.50

190.4

DIM 2F

DIM 2FF

DIM B

Ø

1.0000
.9995

25.40

25.39

1.42

36.1

NOTE:

1. CONDUIT BOX CAN BE ROTATED IN 90

STEPS.

2. NAMEPLATES TO BE READ FROM CONDUIT BOX
SIDE OF THE MOTOR.

.88 X .88 X 6.88 KEY
[22.4 X 22.4 X 174.8]

1/2 - 13UNC - 2B
.75 [19.1] FULL THD.
BOTH SIDES

NOTE: THIS MOTOR HAS PROVISION FOR HS35 ENCODER

DASH

FRAME

DIM B DIM C

DIM 2F

DIM 2FF

DIM BS

2875

447T

28.25

[717.6]

54.03

[1372.4]

20.00

[508.0]

NA

1.84

[46.7]

2875

449T

28.25

[717.6]

54.03

[1372.4]

NA

25.00

[635.0]

1.84

[46.7]

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