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PRODUCT INFORMATION PACKET
Model No: 256TTFNA16931AA
Catalog No: 851042.00
..20HP..1800RPM.256TYZ.TEFC.230/460V.3PH.60HZ.CONT.40C.1.15SF.SAE - RIGID......PUMP
MOTOR........
Hydraulic
Regal and Leeson 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: 256TTFNA16931AA, Catalog No:851042.00
..20HP..1800RPM.256TYZ.TEFC.230/460V.3PH.60HZ.CONT.40C.1.15SF.SAE - RIGID......PUMP MOTOR........
Nameplate Specifications
Output HP
Frequency 60 Hz Voltage 230/460 V
Current
Service Factor
Efficiency 93 % Duty Continuous
Insulation Class
KVA Code G Frame 256
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 6210 UL Recognized
CSA
IP Code
20 Hp
48.0/24.1 A
1.15
F
40 °C
Y
55
Output KW
Speed
Phase
Design Code
Drive End Bearing Size
CE
14.9 kW
1775 rpm
3
B
6312
Y
Technical Specifications
Electrical Type
Poles 4 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 Hyd Pump Adaptor Shaft
Overall Length
Shaft Diameter 1.875 in Shaft Extension SAE SPLINE SHAFT in
Assembly/Box Mounting
Outline Drawing
Rigid base
23.66 in
F1/F2 CAPABLE
B-SS208352LE-1225
Motor Orientation
Frame Length
Connection Diagram
HORIZONTAL
12.25 in
A-EE7308-LE
This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 10/15/2018
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C
.56
3.251
3.253
'A' PUMP
PAD
'A' SPLINE
19.24
12.13
9.50
7.44
3.10
16.63
5.50
3.88
BS
2F
2F
2FF
B
NOTES:
1. CONDUIT BOX CAN BE ROTATED IN 90 STEPS.
2. NAMEPLATE READ FROM CON DUIT BOX SIDE OF MOTOR.
1225 254/6TYZ 23.66 12.00 8.25 10.00 5.00
DA SH FRAME C B 2F 2FF BS
6.51
RE VISIONNO
TH IR D AN GL E
PR OJECTION
3.50
1.25" NPT
LEAD HOLE
3/8-16 UNC
.56 FULL THD .
2 HOLES
3/8-16 UNC -2B
THRU - 1 HOLE
.53-.58 THR U
8 HOLES
BY & DATE
RF P
NE TW OR K FILE N AM E
UNLESS SPECIFIED
DE C
.X
.XX
.XXX
.XXX X
CH K
AN G
TOLERANCES
INCHES
±.1
±.03
±.005
±.0005
±7'30"
07-23-2013
2.094
4.188
5.00
10.00
11.76
TIT LE
OUTLINE - TEFC - HYDRAULIC PUMP PAD
254/6 TYZ FR. - 11.00 LAM. - CAST IRON BOX
MA T'L
FIN ISH
PR EV
SS208352LE
2.00
B
6.25
6.19
.55
MSG 07-19-2013
DR AW N
CH K
DR 07-22-2013
TB 07-23-2013
APP R
SC ALE
5:16
RE F
FM F
MU113860
PAG E
SS208352LE
OF
RE VSIZE DR AW ING N O
7/23/2013 6:49:53 AM - Converted by Connexus
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1/13/2012 12:36:31 PM - Converted by Connexus
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Date:
Speed (RPM)
Data Sheet
Current (Amps)
E
100.0
120.0
140.0
20.0
40.0
60.0
0.0
0 20 0 400 600 800 1000 1200 1400 1600 1800 2000
80.0
160.0
30.0
40.0
50.0
60.0
70.0
80.0
0% 20% 40% 60 % 80% 100% 120% 140%
T
F
O
RQU
100.0
90.0
E
F
F
P
Torque (ft-lb)
Efficiency (%) P.F. (%) Current (Amps)
138 115 86.0 24.1 8.5 20.0
105 100 146 59.2 0.00 1800
0 900 1625 1775 1800
P.F. (%)
1800 1795 1785 1780 1775 1,770 1760 0
0.00 14.5 29.5 44.5 59.2 68.0 74.5 105
8.5 51.0 72.0 81.0 84.0 84.5 85.0 40.0
LR Pull-Up BD Rated Idle
8.5 10.5 14.0 18.5 24.1 27.0 30.0 138
1/31/2018 851042.00
Load 0% 25% 50% 75% 100% 115% 125% LR
Current (Amps)
Torque (ft-lb)
RPM
Efficiency (%)
Motor Speed Data
LOAD
Torque Amps
90.0 93.0 93.6 93.0 92.4 91.7
Uncontrolled Copy
Speed -Torque Curve
Motor Load Data
RPM
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
A
M
P
S
0
0
0.2670 0.2070 0.9900 1.4910 28.4000
R1 R2 X1 X2 Xm
EQUIV CKT (OHMS / PHASE)
Outline Dwg B-SS208352LE-1225
Conn. Diag A-EE7308-LE
Additional Specifications:
Ref Wdg
Sound Pressure @ 1M
VFD Rating
Rotor/Shaft wk²
Ambient
Elevation
K2564164 NONE
LR Code letter
Service Factor
Temp Rise @ FL
Duty
Voltage
Frequency
Design
Construction
230/460#190-208/380-415
HP
Sync. RPM
Frame
Enclosure
Information Block
CONSTANT 10:1
65 dBA
CONT
1,000
3.2
1.15
65
40
60
G
B
TEFC
TFN
256
Data @
feet
Lb-Ft²
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
A
M
P
S
°
°
C
C
Hz
V
460
v
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