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)

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

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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

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

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

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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