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PRODUCT INFORMATION PACKET
Model No: 256TTFC6031
Catalog No: U653A
20,1800,TEFC,256T,3/60/575
Totally Enclosed Fan Cooled (TEFC)
Regal and Marathon are trademarks of Regal Beloit Corporation or one of its affiliated companies.
©2018 Regal Beloit Corporation, All Rights Reserved. MC017097E
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Product Information Packet: Model No: 256TTFC6031, Catalog No:U653A 20,1800,TEFC,256T,3/60/575
Nameplate Specifications
Output HP
Frequency 60 Hz Voltage 575 V
Current
Service Factor
Efficiency 93 % Duty Continous
Insulation Class
KVA Code G Frame 256T
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 6308 UL Recognized
CSA
IP Code
20 Hp
20.0 A
1.15
F
40 °C
Y
43
Output KW
Speed
Phase
Design Code
Drive End Bearing Size
CE
14.9 kW
1770 rpm
3
B
6309
Y
Technical Specifications
Electrical Type
Poles 4 Rotation Reversible
Squirrel Cage Induction Run
Starting Method
Across The Line
Mounting
Drive End Bearing Ball Opp Drive End Bearing Ball
Frame Material Cast Iron Shaft Type T
Overall Length
Shaft Extension 4.25 in Assembly/Box Mounting F1/F2 Capable
Outline Drawing
Rigid base
24.92 in
16953860LN
Motor Orientation
Shaft Diameter
Connection Diagram
Horizontal
1.625 in
005190.01ME
This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 07/02/2018
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9/27/2008 2:42:21 PM
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4/27/2012 9:57:03 AM - Converted by Connexus
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CERTIFICATION DATA SHEET
Model#: 256TTFC6031 AA WINDING#: T12904020 NONE 4
CONN. DIAGRAM: 5190.01ME ASSEMBLY: F1/F2 CAPABLE
OUTLINE: 16953860LN
TYPICAL MOTOR PERFORMANCE DATA
HP KW SYNC. RPM F.L. RPM FRAME ENCLOSURE KVA CODE DESIGN
20 14.9 1800 1770 256T TEFC G B
PH Hz VOLTS FL AMPS START TYPE DUTY INSL S.F AMB°C ELEVATION
3 60 575 20 ACROSS THE
LINE
CONTINUOUSF2 1.15 40 3300
FULL LOAD EFF: 93 3/4 LOAD EFF: 93 1/2 LOAD EFF: 92.4 GTD. EFF ELEC. TYPE NO LOAD AMPS
FULL LOAD PF: 82 3/4 LOAD PF: 77 1/2 LOAD PF: 68 91.7 SQ CAGE IND RUN 7.5
F.L. TORQUE LOCKED ROTOR AMPS L.R. TORQUE B.D. TORQUE F.L. RISE°C
59.5 LB-FT 116 115 LB-FT 192 195 LB-FT 328 75
SOUND PRESSURE
@ 3 FT.
SOUND POWER ROTOR WK^2 MAX. WK^2 SAFE STALL TIME STARTS
/HOUR
APPROX. MOTOR
WGT
75 dBA 85 dBA 2.97 LB-FT^2 - LB-FT^2 20 SEC. 2 - LBS.
*** SUPPLEMENTAL INFORMATION ***
DE BRACKET
TYPE
ODE BRACKET
TYPE
MOUNT
TYPE
ORIENTATION SEVERE
DUTY
HAZARDOUS
LOCATION
DRIP
COVER
SCREENS PAINT
STANDARD STANDARD RIGID HORIZONTAL FALSE NONE FALSE NONE BLUE
(ENAMEL)
BEARINGS GREASE SHAFT TYPE SPECIAL DE SPECIAL ODE SHAFT
MATERIAL
FRAME
MATERIAL
DE OPE
BALL BALL POLYREX EM T NONE NONE 1045 HOT
ROLLED (C-204)
CAST IRON
6309 6308
THERMO-PROTECTORS THERMISTORS CONTROL SPACE /n HEATERS
THERMOSTATS PROTECTORS WDG RTDs BRG RTDs
NONE NOT NONE NONE NONE FALSE NONE VOLTS
If Inverter equals NONE, contact factory for further
information
*
N
O
T
E
S
*
INVERTER TORQUE: NONE
INV. HP SPEED RANGE: NONE
ENCODER: NONE
NONE NONE
NONE NONE PPR
BRAKE: NONE NONE
NONE P/N NONE
NONE NONE
NONE FT-LB NONE V NONE Hz
DATE: 06/23/2017 06:44:00 AM
FORM 3531 REV.3 02/07/99
** Subject to change without notice.
Uncontrolled Copy
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Date:
Customer:
Attention:
Submitted by:
Data @
575
v
Load 0% 25% 50% 75% 100% 115% 125% LR
Current (Amps)
7.5 9.2 12.0 15.6 19.6 22.4 24.4 116
Torque (ft-lb)
0.00 15.0 30.0 45.0 59.5 70.0 75.0 115
RPM
1800 1795 1782 1778 1775 1,768 1765 0
Efficiency (%)
88.5 92.4 93.0 93.0 92.4 91.7
P.F. (%)
5.5 47.0 68.0 77.0 82.2 82.5 83.0 37.0
LR Pull-Up BD Rated Idle
Speed (RPM)
0 900 1650 1775 1800
Information Block
Current (Amps)
116 108 78.4 19.6 7.5 20.0
Torque (ft-lb)
115 95.0 195 59.5 0.00 1800
256
TEFC
TFC
575
V
60
Hz
B
G
1.15
43
°
C
CONT
40
°
C
1,000
feet
2.97
Lb-Ft²
T12904020 NONE
75 dBA
Additional Specifications:
R1 R2 X1 X2 Xm
0.0000 0.0000 0.0000 0.0000 0.0000
NONE
0
365THFS8036
EQUIV CKT (OHMS / PHASE)
Ref Wdg
Sound Pressure @ 1M
VFD Rating
Outline Dwg 16953860LN
Conn. Diag 5190.01ME
Rotor/Shaft wk²
Voltage
Frequency
Design
LR Code letter
Service Factor
Temp Rise @ FL
Duty
Ambient
Elevation
Construction
Motor Speed Data
HP
Sync. RPM
Frame
Enclosure
Motor Load Data
Submittal
FAREEDA DUDEKULA
Data Sheet
19-06-2017 256TTFC6031
0.0
5.0
10.0
15.0
20.0
25.0
30.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0% 20% 40% 60% 80% 100% 120% 140%
Efficiency (%) P.F. (%) Current (Amps)
LOAD
A
M
P
S
E
F
F
P
F
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
0.0
50.0
100.0
150.0
200.0
250.0
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Speed -Torque Curve
Torque Amps
RPM
T
O
R
Q
U
E
A
M
P
S
Uncontrolled Copy
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