Marathon Electric Y993 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256THTNA8071

Catalog No: Y993

20,1800,TENV,256TC,3/60/230/460

2000:1 Brake Motor

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

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Product Information Packet: Model No: 256THTNA8071, Catalog No:Y993 20,1800,TENV,256TC,3/60/230/460

Nameplate Specifications

Output HP Frequency 60 Hz Voltage 230/460 V Current Service Factor Efficiency 93.6 % Duty Continous Insulation Class KVA Code N Frame 256TC Enclosure Totally Enclosed Non Ventilated Overload Protector No Ambient Temperature Opp Drive End Bearing Size 6309 UL Recognized CSA IP Code

20 HP

52.0/26.0 A 1

40 °C

Y 43

Output KW

Speed Phase

Design Code

Drive End Bearing Size

14.9 kW

1770 RPM 3

INV

6309

Technical Specifications

Electrical Type Poles 4 Rotation Reversible

Squirrel Cage Inverter Duty

Starting Method

Inverter Only

Mounting Drive End Bearing Ball Opp Drive End Bearing Ball Frame Material Cast Iron Shaft Type T Overall Length Shaft Diameter 1.625 in Shaft Extension 3.75 in Assembly/Box Mounting Outline Drawing

Rigid Base

35.31 in

F1/F2 Capable B-SS203867-1425

Motor Orientation

Frame Length

Connection Diagram

Horizontal

14.25 in

A-EE7308T

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 08/27/2019

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

4. DIMENSION IN [ ] DESIGNATE MILLIMETERS.

Regal Beloit America, Inc.

PROPRIETARY AND CONFIDENTI AL INFORMATION - THIS DOCU MENT 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 T H AT IT, AND/OR ANY PART OF IT, SHALL NOT BE DISCLOSED TO ANY PERSON, CORPORATION OR OTHER ENTITY, DUPLICATED, AN D /OR USED, EXCEPT

AS EXPRESSLY APPROVED IN WRITING IN ADVAN C E BY O W NER . THIS DOCUMENT SHALL

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

RESTRICTIONS UNDER APPLICABLE EXPORT CONTROL LAWS AND REGUL AT IONS.

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] X 45 CORNER FILLETS: R.02 [.51] MACHINED SURFACES:

200

5.1

INCH mm mm SHOWN IN [BRACKETS]

ECO DESCRIPTION

DATEAPPROVED BY

DATEREVISION BY

ECO

DRAWING REVISION

REFERENCE

MATERIAL

SHEET

DRAWING NUMBERSIZE

DESCRIPTION

THIRD ANGLE PROJECTION

DRAWN BY

DATE

APPROVED BY

PROCESS/FINISH

1 OF 1

SS203867

RWR

04-30-2004

TLB

05-10-2004

J JJB 06-12-2017

ECO-0124612 T VUE 06-12-2017

ADDED DASH 1050 & 1225 TO TABLE

OUTLINE

250TC FR. - STEARNS BR AKE - PROV. FOR TACH

DASH FRAME B C

AG 2F 2FF BS

1050 254TC

10.25

[260.35]

31.56

[801.62]

19.43

[493.52]

- - -

8.25

[209.55]

4.12

[104.65]

1225 254/256TC

12.00

[304.80]

33.31

[846.07]

21.18

[537.97]

8.25

[209.55]

10.00

[254.00]

5.00

[127.00]

1425 256TC

14.00

[355.60]

35.31

[896.97]

23.18

[588.80]

10.00

[254.00]

- - -

6.01

[152.59]

8.500

8.497

215.900

215.824

3.75

95.32

3.10

78.77

.29 .25

7.37

6.35

1.625

1.624

41.275

41.250

5.50

139.60

2FF

8.38

212.85 MAX.

4.69

119.13

8.70

221.01

4.75

120.65

.25

6.35

CLEARANCE REQUIRED TO REMOVE HOUSING

.375 x .375 x 2.88 [9.525 x 9.525 x 73.15] KEY

.004 [.102] A

10.00

254.00

11.76

298.70

2.00

50.80

.55

13.97

1/2-13 UNC-2B

.75 [19.05] FULL THD.

4 HOLES

3/8-16 UNC-2B

THRU - 1 HOLE

3.49

88.63

9.50

241.30

12.13

308.01

6.25

6.19

158.75

157.23

5.00

127.00

7.265

7.235

184.531

183.769 45°

45°

16.53

419.97

14.47

367.46

19.15

486.50

3.10

78.77

1 1/4" NPT

LEAD HOLE

.53-.58

[13.46-14.73]

8 HOLES

( 254 FR. MAY ONLY

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

4. DIMENSION IN [ ] DESIGNATE MILLIMETERS.

Regal Beloit America, Inc.

PROPRIETARY AND CONFIDENTI AL INFORMATION - THIS DOCU MENT IS THE PROPERTY OF

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

AS EXPRESSLY APPROVED IN WRITING IN ADVAN C E BY O W NER . THIS DOCUMENT SHALL

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

RESTRICTIONS UNDER APPLICABLE EXPORT CONTROL LAWS AND REGUL AT IONS.

TOLERANCES UNLESS OTHERWISE SPECIFIED: DEC.

200

5.1

INCH mm mm SHOWN IN [BRACKETS]

ECO DESCRIPTION

DATEAPPROVED BY

DATEREVISION BY

ECO

DRAWING REVISION

REFERENCE

MATERIAL

SHEET

DRAWING NUMBERSIZE

DESCRIPTION

THIRD ANGLE PROJECTION

DRAWN BY

DATE

APPROVED BY

PROCESS/FINISH

1 OF 1

SS203867

RWR

04-30-2004

TLB

05-10-2004

J JJB 06-12-2017

ECO-0124612 T VUE 06-12-2017

ADDED DASH 1050 & 1225 TO TABLE

OUTLINE

250TC FR. - STEARNS BR AKE - PROV. FOR TACH

DASH FRAME B C

AG 2F 2FF BS

1050 254TC

10.25

[260.35]

31.56

[801.62]

19.43

[493.52]

- - -

8.25

[209.55]

4.12

[104.65]

1225 254/256TC

12.00

[304.80]

33.31

[846.07]

21.18

[537.97]

8.25

[209.55]

10.00

[254.00]

5.00

[127.00]

1425 256TC

14.00

[355.60]

35.31

[896.97]

23.18

[588.80]

10.00

[254.00]

- - -

6.01

[152.59]

Uncontrolled Copy

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