Marathon Electric U073A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 444TSTGN16502

Catalog No: U073A

125 HP Explosion Proof Motor, 3 phase, 3600 RPM, 460 V, 444TS Frame, EPFC

Explosion Proof NEMA 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: 444TSTGN16502, Catalog No:U073A 125 HP Explosion Proof Motor, 3 phase, 3600 RPM, 460 V, 444TS Frame,
EPFC

Nameplate Specifications

Output HP 125 Hp Output KW 93.0 kW
Frequency 60 Hz Voltage 460 V
Current 139.0 A Speed 3575 rpm
Service Factor 1.15 Phase 3
Efficiency 95.4 % Power Factor 87.5
Duty Continuous Insulation Class F
Design Code B KVA Code G
Frame 444TS Enclosure Explosion Proof Fan cooled
Thermal Protection Thermostats (N/C) Ambient Temperature 40 °C
Drive End Bearing Size 6313 Opp Drive End Bearing Size 6313
UL UL Listed And CSA Certified CSA Y
CE N IP Code 54

Hazardous Location

EXP PROOF CL I GR C&D CL II GR
F&G T3B

Technical Specifications

Electrical Type Squirrel Cage Inverter Rated Starting Method Line Or Inverter
Poles 2 Rotation Reversible
Resistance Main .0221 Ohms Mounting Rigid base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type TS Overall Length 37.59 in
Frame Length 18.25 in Shaft Diameter 2.375 in
Shaft Extension 5 in Assembly/Box Mounting F1 ONLY
Outline Drawing B-SS515918-1825 Connection Drawing A-EE7300U

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:18/06/2020

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Uncontrolled Copy

NOTES:

1. CONDUIT BOX CAN BE ROTATED IN 90° STEPS.

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

3. DIMENSION IN [ ] DESIGNATE MILLIMETERS.

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

1 OF 1

SS515918

MH

01-15-1997

JL

02-06-1997

C

JJB

06-30-2014

ECO-0054447

TDB

06-30-2014

UPDATED TO CURRENT STANDARDS

OUTLINE

444/445TS FR. - EXP PR - STD. - TEFC - TGN

14.45

367.03

( C )

5.00

126.92

4.75

120.65

2.375

2.374

60.312

60.287

7.50

190.39

2F

( B )

5.13

130.18

BS

.625 x .625 x 3.00
[15.875 x 15.875 x 76.00]
KEY

1/2-13UNC-2B

1.00 [25.40] FULL THD.

26.52

673.61

1.22

30.99

3.75

95.25

18.00

457.20

21.50

546.10

26.38

670.06

17.63

447.68

23.62

600.05

36.81

935.08

11.00

10.94

279.40

277.88

9.00

228.60

5.38

136.65

2.36

59.94

3" NPT

LEAD HOLE

Ø.81-.86

[20.57-21.84]

4 HOLES

DASH

FRAME

B C

2F

BS

1825

444TS

17.75

[450.85]

37.59

[954.79]

14.50

[368.30]

7.25

[184.15]

2025

445TS

19.75

[501.65]

39.59

[1005.59]

16.50

[419.10]

8.25

[209.55]

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