PRODUCT INFORMATION PACKET
Model No: 449TTFS8028
Catalog No: L455
250 HP General Purpose Motor, 3 phase, 1800 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.
©2019 Regal Beloit Corporation, All Rights Reserved. MC017097E
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Product Information Packet: Model No: 449TTFS8028, Catalog No:L455 250 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 449T Frame,
TEFC
Nameplate Specifications
Output HP 250 Hp Output KW 187.0 kW
Frequency 60 Hz Voltage 460 V
Current 290.0 A Speed 1785 rpm
Service Factor 1.15 Phase 3
Efficiency 95 % Power Factor 85
Duty Continuous Insulation Class H
Design Code B KVA Code F
Frame 447/449T 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 Induction Run Starting Method Part Wdg Start & Wye Start Delta Run
Poles 4 Rotation Reversible
Resistance Main .0134 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 51.86 in
Frame Length 28.75 in Shaft Diameter 3.375 in
Shaft Extension 8.75 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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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
447-449T FR. - STD.
1 OF 1
SS515635
DT
06-04-1996
JL
06-05-1996
D
CM
04-11-2014
ECO-0049191
DJK
04-11-2014
UPDATE TO CURRENT STANDARDS
OUTLINE
( C )
2F
2FF
( B )
4.88
123.83
9.88
250.95
7.50
190.43
3.375
3.374
85.712
85.687
8.50
215.90
8.75
222.18
14.34
364.24
1.84
46.74
4.26
108.20
.875 x .875 x 6.88
[22.225 x 22.225 x 174.75]
KEY
1/2-13UNC-2B
.75[19.05] FULL THD.
BOTH SIDES
26.16
664.49
1.16
29.46
2.98
75.57
18.00
457.20
21.00
533.40
19.31
490.47
25.69
652.55
39.38
1000.35
27.61
701.33
3.56
90.45
11.00
10.94
279.40
277.88
9.00
228.60
6.94
176.28
Ø4.62[117.35]
LEAD HOLE
Ø.81-.86
[20.57-21.84]
6 HOLES
NOTES:
1- C'BOX CAN BE ROTATED IN 90° STEPS.
2- NAMEPLATES TO BE READ FROM C'BOX SIDE OF MOTOR.
3- C'BOX CAN BE MOUNTED IN F2 POSITION.
DASH
FRAME
B C
2F
2FF
2875
447T
28.25
[717.55]
51.86
[1317.24]
20.00
[508.00]
- - -
2875
449T
28.25
[717.55]
51.86
[1317.24]
- - -
25.00
[635.00]
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Uncontrolled Copy
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