Leeson 811651.00 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 254THFNA19079AA

Catalog No: 811651.00

7.5HP..1200RPM.254T.TEFC./460V.3PH.60HZ.CONT.NOT.40C.1.15SF.RIGID.IEEE 841.
IEEE 841

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

©2018 Regal Beloit Corporation, All Rights Reserved. MC017097E

1 of 6

Product Information Packet: Model No: 254THFNA19079AA, Catalog No:811651.00

7.5HP..1200RPM.254T.TEFC./460V.3PH.60HZ.CONT.NOT.40C.1.15SF.RIGID.IEEE 841.

Nameplate Specifications

Output HP
Frequency 60 Hz Voltage 460 V
Current
Service Factor
Efficiency 91 % Duty Continuous
Insulation Class
KVA Code H Frame 254T
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 6210 UL Recognized
CSA
IP Code

7.50 Hp

9.9 A

1.15

F

40 °C

Y
56

Output KW

Speed
Phase

Design Code

Drive End Bearing Size

CE

5.6 kW

1175 rpm
3

B

6309

Y

Technical Specifications

Electrical Type
Poles 6 Rotation Reversible

Squirrel Cage Inverter Rated

Starting Method

Line Or Inverter

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 4 in
Assembly/Box Mounting
Outline Drawing

Rigid base

23.65 in

F1/F2 CAPABLE
B-SS203002-1050

Motor Orientation

Frame Length

Connection Diagram

HORIZONTAL

10.50 in

A-EE7300-LE

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 10/15/2018

2 of 6

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] X 45
CORNER FILLETS: R.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

DATEAPPROVED BY

DATEREVISION BY

ECO

DRAWING REVISION

REFERENCE

MATERIAL

SHEET

DRAWING NUMBERSIZE

DESCRIPTION

THIRD ANGLE
PROJECTION

DRAWN BY

DATE

DATE

APPROVED BY

PROCESS/FINISH

B

1 OF 1

SS203002

TVUE

12-18-2013

TBROWN

12-18-2013

E M GERTSCHEN 11-17-2016

ECO-0112972 T VUE 11-17-2016

UPDATED TO CURRENT STANDARDS

OUTLINE

250T FR. - TEFC - BB - STD.

NOTES:

1. CONDUIT BOX CAN BE ROTATED ON ITS AXIS.

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.

1050 254T

23.65

[600.71]

10.25

[260.35]

- - -

8.25

[209.55]

4.25

[107.95]

1225 254/256T

25.40

[645.16]

12.00

[304.80]

8.25

[209.55]

10.00

[254.00

5.00

[127.00]

DASH FRAME C B 2F 2FF BS

5.50

139.70

C

4.20

106.81

BS

2F

2F

2FF

B

1.625

1.624

41.275

41.250

4.00

101.60

4.25

108.03

.375x.375x2.88
[9.525x9.525x73.15]
KEY

10.00

254.00

5.00

127.00

2.00

50.80

11.76

298.70

6.25

6.19

158.75

157.23

.55

13.97

19.35

491.37

14.22

361.19

9.51

241.43

12.24

310.78

3.51

89.17

3/8-16 UNC-2B

THRU - 1 HOLE

16.63

422.43

3.10

78.77

1 1/4" NPT

LEAD HOLE

.53 - .58

[13.46 - 14.73]

8 HOLES

(254 FR. MAY HAVE

ONLY 4 HOLES)

F2 VIEW

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] X 45
CORNER FILLETS: R.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

DATEAPPROVED BY

DATEREVISION BY

ECO

DRAWING REVISION

REFERENCE

MATERIAL

SHEET

DRAWING NUMBERSIZE

DESCRIPTION

THIRD ANGLE
PROJECTION

DRAWN BY

DATE

DATE

APPROVED BY

PROCESS/FINISH

B

1 OF 1

SS203002

TVUE

12-18-2013

TBROWN

12-18-2013

E M GERTSCHEN 11-17-2016

ECO-0112972 T VUE 11-17-2016

UPDATED TO CURRENT STANDARDS

OUTLINE

250T FR. - TEFC - BB - STD.

NOTES:

1. CONDUIT BOX CAN BE ROTATED ON ITS AXIS.

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.

1050 254T

23.65

[600.71]

10.25

[260.35]

- - -

8.25

[209.55]

4.25

[107.95]

1225 254/256T

25.40

[645.16]

12.00

[304.80]

8.25

[209.55]

10.00

[254.00

5.00

[127.00]

DASH FRAME C B 2F 2FF BS

Uncontrolled Copy

3 of 6

9/4/2007 11:27:01 PM -

4 of 6

²

²

MOUNT

SEVERE

DRIP

PREMIUM SEVERE DUTY

WINDING: 254653

CONN. DIAGRAM:

THERMOSTATS PROTECTORS

O

N

E

S

T

* NONE PPR

DATE: FT-LB:

R1 (ohms/ph) R2 (ohms/ph) X1 (ohms/ph)

*

NONE NOT

BALL BALL

6309 6210

DE ODE

BEARINGS

DE BRACKET

STANDARD

TYPE

PRESSURE @ 3 MAX. LOAD WK²ROTOR WK²POWER

33.5 LB-FT 72.0 LB-FT 215% 103 LB-FT 307% 40

56 dBA 65 dBA 2.50

F.L. PF

PH HZ INSL S.F. AMB ELEV.

3 60 F 1.15 40 3300

F.L. EFF

HP KW TYPE DESIGN

7.5 5.6 TFN B

OUTLINE: B-SS203002-1050

ODE BRACKET TYPE

1/31/2018

UL:

Y-(LEESON UL REC)

VOLTAGE: HZ:

NONE

NA

NONE

NONE

ENCODER:

BRAKE:

NONE NONE

NONE

INV. HP SPEED RANGE:

NONE

NONE

0.673 2.9030.737

WDG RTD's BRG RT D's

NONE NONE NONE FALSE

X2 (ohms/ph)

3.153

THERMISTORS CONTROL

Xm (ohms/ph)

53.487

INVERTER TORQUE:

VIBRATION (in/sec)

0.080 ODE

CONSTANT 10:1

HEATERS

FLOAT

NA

POLYREX EM

T

NONE NONE

1045 HOT ROLLED (C-204)

CAST IRON

SPACE

STANDARD

GREASE

63.5

RIGID

SHAFT TYPE

HORIZONTAL

SPECIAL DE

DIVISION 2 T2B

SPECIAL ODE

SHAFT MATERIAL

NO NONE

FRAME MATERIAL

BLUE (EPOXY)

`

TYPE

ORIENTATION

DUTY

LOCATION

COVER SCREENS

PAINT

LB-FT

*** SUPPLEMENTAL INFORMATION ***

MOTOR

170

LB-FT

20 SEC. 350 LB.

HAZARDOUS

STARTS/HOURSAFE STALL TIME

2

MOTOR WGT

91.0 91.0 90.2 GTD EFF

78.0 72.5 61.0 90.2

VOLTS

460 LINE OR INVERTER

460 V

3/4 LD EFF

AMPS

9.9

L.R. TORQUEF.L. TORQUE LR AMPS @

START TYPE

1/2 LD EFF

1/2 LD PF3/4 LD PF

CONT

B.D. TORQUE

SQ CAGE INV RATED

F.L. RISE (

°

C)

DUTY

ELECT. TYPE

SYNC RPM FL RPM

1200 1175 254T TEFC

TYPICAL MOTOR PERFORMANCE DATA

FRAME ENCLOSURE

KVA CODE

H

A-EE7300-LE

NONE 7

CERTIFICATION DATA SHEET

Uncontrolled Copy

CAT #:

P.O. BOX 8003

WAUSAU, WI 54401-8003

PH. 715-675-3311

811651.00

DATA VOLTS: 460

5 of 6

Date:

Speed (RPM)

Data Sheet

Current (Amps)

P

E

0.0

0 200 400 6 00 800 1000 1200 1400

20.0

40.0

60.0

80.0

100.0

120.0

30.0

40.0

50.0

0% 20% 40% 60% 80% 100% 120% 140%

TOR

Q

U

F

60.0

70.0

EFF

80.0

100.0

90.0

Torque (ft-lb)

Efficiency (%) P.F. (%) Current (Amps)

63.5 59.0 39.5 9.9 4.8 7.5

72.0 69.0 103 33.5 0.00 1200
0 600 1065 1175 1200

P.F. (%)

1200 1195 1190 1180 1175 1,170 1165 0

0.00 8.0 16.5 25.0 33.5 38.5 42.0 72.0

7.0 40.0 61.0 72.5 78.0 80.0 80.5 42.0

LR Pull-Up BD Rated Idle

4.8 5.3 6.5 8.0 9.9 11.0 12.0 63.5

1/31/2018 811651.00

Load 0% 25% 50% 75% 100% 115% 125% LR

Current (Amps)

Torque (ft-lb)

RPM

Efficiency (%)

Motor Speed Data

LOAD

Torque Amps

85.5 90.2 91.0 91.0 90.2 90.2

Uncontrolled Copy

Speed -Torque Curve

Motor Load Data

RPM

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

A

M

P

S

0

0

0.7370 0.6730 2.9030 3.1530 53.4870

R1 R2 X1 X2 Xm

EQUIV CKT (OHMS / PHASE)

Outline Dwg B-SS203002-1050

Conn. Diag A-EE7300-LE

Additional Specifications:

Ref Wdg

Sound Pressure @ 1M

VFD Rating

Rotor/Shaft wk²

Ambient

Elevation

254653 NONE

LR Code letter

Service Factor

Temp Rise @ FL

Duty

Voltage

Frequency

Design

Construction

HP

Sync. RPM

Frame

Enclosure

Information Block

CONSTANT 10:1

56 dBA

CONT

1,000

2.50

1.15

40

40

60

H

B

TEFC

TFN

254

460

Data @

feet

Lb-Ft²

0.0

10.0

20.0

30.0

40.0

M

P

S

50.0

60.0

70.0

A

°

°

C

C

Hz

V

460

v

6 of 6