Marathon Electric U446A Product Information Packet
PRODUCT INFORMATION PACKET
Model No: 326TSTDR16035
Catalog No: U446A
50,1800,DP,326TSC,3/60/230/460 PWS/YD
Open Drip Proof (ODP)
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©2018 Regal Beloit Corporation, All Rights Reserved. MC017097E
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Product Information Packet: Model No: 326TSTDR16035, Catalog No:U446A 50,1800,DP,326TSC,3/60/230/460
PWS/YD
Nameplate Specifications
Output HP
Frequency 60 Hz Voltage 230/460 V
Current
Service Factor
Efficiency 94.5 % Duty Continous
Insulation Class
KVA Code G Frame 326TSC
Enclosure Drip Proof Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 6311 UL Recognized
CSA
IP Code
50 Hp
121.0/60.5 A
1.15
B
40 °C
Y
22
Output KW
Speed
Phase
Design Code
Drive End Bearing Size
CE
37.0 kW
1775 rpm
3
B
6312
Y
Technical Specifications
Electrical Type
Poles 4 Rotation Reversible
Squirrel Cage Induction Run
Starting Method
Part Wdg Start Low Volt Only & Wye Start
Delta Run
Mounting
Drive End Bearing Ball Opp Drive End Bearing Ball
Frame Material Rolled Steel Shaft Type TS
Overall Length
Shaft Diameter 1.875 in Shaft Extension 3.5 in
Assembly/Box Mounting F1/F2 Capable
Outline Drawing
Rigid base
27 in
A-SS301384-1500
Motor Orientation
Frame Length
Connection Diagram
Horizontal
15.00 in
A-EE7308AA
This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 06/29/2018
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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
REFERENCE
MATERIAL
SHEET
DRAWING NUMBER
SIZE
DESCRIPTION
THIRD ANGLE
PROJECTION
DRAWN BY
DATE
DATE
APPROVED BY
PROCESS/FINISH
B
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SS301384
MSG
12-01-2010
MJS
12-06-2010
D
RFH
06/12/2014
ECO-0053398
EH
06/12/2014
REVISED LEAD HOLE CALLOUT
OUTLINE
MU98687
DR. PR. - 320TSC FR. - C'FACE
C
3.50
88.90
AG
B
BS
2F
1.00
25.40
12.500
12.495
317.487
317.360
13.01
330.44
.29
.25
7.37
6.35
1.875
1.874
47.625
47.600
9.54
242.24
5.25
133.35
.25
6.35
.50x.50x2.00
[12.7x12.7x50.80]
KEY
.007 [.178]
A
.007 [.178]
A
A
6.25
158.75
12.50
317.50
14.75
374.65
8.00
7.94
203.20
201.68
18.97
481.74
3.08
78.30
20.78
527.88
12.87
326.88
3.50
88.90
.38
9.65
2.00
50.80
4 HOLES
5/8-11UNC-2B
.94 [23.88] FULL THD.
11.015
10.985
279.781
279.019
10.17
258.32
15.79
401.03
2.00" [50.80]
LEAD HOLE
.66-.71
[16.76-19.30]
4 HOLES
NOTES:
1. CONDUIT BOX CAN BE ROTATED IN 90
STEPS.
2. CONDUIT BOX CAN BE MOUNTED ON OPPOSITE SIDE
BY REMOVING BRACKETS AND TURNING FRAME 180
.
3. NAMEPLATE TO BE READ FROM CONDUIT BOX SIDE OF MOTOR.
1250
324TSC
24.50
[622.30]
21.00
[533.40]
12.25
[311.15]
10.50
[266.70]
5.35
[135.89]
F1 OR F2
1400
326TSC
26.00
[660.40]
22.50
[571.50]
13.75
[349.25]
12.00
[304.80]
6.10
[154.94]
F1 OR F2
1450
324TSC
26.50
[673.10]
23.00
[584.20]
12.25
[311.15]
10.50
[266.70]
6.35
[161.29]
F1 ONLY
1450
326TSC
26.50
[673.10]
23.00
[584.20]
13.75
[349.25]
12.00
[304.80]
6.35
[161.29]
F1 ONLY
1500
326TSC
27.00
[685.80]
23.50
[596.90]
13.75
[349.25]
12.00
[304.80]
6.60
[167.64]
F1 ONLY
1750
326TSC
29.50
[749.30]
26.00
[660.40]
13.75
[349.25]
12.00
[304.80]
7.85
[199.39]
F1 ONLY
DASH
FRAME
C
AG
B
2F
BS
MOUNTING
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