PRODUCT INFORMATION PACKET
Model No: 326THFS19057AN
Catalog No: 811565.00
50HP..1780RPM.326.TEFC./V.3PH.60HZ.CONT.NOT.40C.1.15SF.RIGID.IEEE-841.326THFS19057AN
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
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Product Information Packet: Model No: 326THFS19057AN, Catalog No:811565.00
50HP..1780RPM.326.TEFC./V.3PH.60HZ.CONT.NOT.40C.1.15SF.RIGID.IEEE-841.326THFS19057AN
Nameplate Specifications
Output HP
Frequency 60 Hz Voltage 460 V
Current
Service Factor
Efficiency 94.1 % Duty Continuous
Insulation Class
KVA Code F Frame 326T
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 311 UL Recognized
CSA
IP Code
50 Hp
60.0 A
1.15
F
40 °C
Y
56
Output KW
Speed
Phase
Design Code
Drive End Bearing Size
CE
37.0 kW
1775 rpm
3
B
312
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 T
Overall Length
Shaft Diameter 2.125 in Shaft Extension 5.25 in
Assembly/Box Mounting
Outline Drawing
Rigid base
30.37 in
F1/F2 CAPABLE
B-SS300575LE-1300
Motor Orientation
Frame Length
Connection Diagram
HORIZONTAL
13.00 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
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Uncontrolled Copy
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Date:
Speed (RPM)
Data Sheet
Current (Amps)
P
E
100.0
50.0
0.0
0 200 400 600 800 10 00 1200 1400 1600 1800 2000
150.0
TORQU
200.0
250.0
300.0
350.0
400.0
30.0
40.0
50.0
0% 20% 40% 60 % 80% 100% 120% 140%
F
60.0
70.0
EFF
80.0
100.0
90.0
Torque (ft-lb)
Efficiency (%) P.F. (%) Current (Amps)
335 300 190 60.0 24.0 50.0
250 230 340 148 0.00 1800
0 900 1675 1775 1800
P.F. (%)
1800 1795 1788 1782 1775 1,772 1770 0
24.0 27.5 36.0 47.0 60.0 68.5 75.0 335
0.00 36.6 73.5 111 148 170 185 250
4.0 51.0 71.0 79.0 82.0 82.5 83.0 33.0
LR Pull-Up BD Rated Idle
1/17/2018 811565.00
Load 0% 25% 50% 75% 100% 115% 125% LR
Current (Amps)
Torque (ft-lb)
RPM
Efficiency (%)
Motor Speed Data
LOAD
Torque Amps
91.0 93.6 94.1 94.1 94.1 93.6
Uncontrolled Copy
Speed -Torque Curve
Motor Load Data
RPM
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
A
M
P
S
0
0
Additional Specifications:
0.0680 0.0620 0.4830 0.6480 11.0680
R1 R2 X1 X2 Xm
EQUIV CKT (OHMS / PHASE)
VFD Rating
Outline Dwg B-SS300575LE-1300
Conn. Diag A-EE7300-LE
Rotor/Shaft wk²
Duty
Ambient
Elevation
Ref Wdg
Sound Pressure @ 1M
K3264168 R3
Design
LR Code letter
Service Factor
Temp Rise @ FL
Construction
Voltage
Frequency
HP
Sync. RPM
Frame
Enclosure
Information Block
CONSTANT 20:1
68 dBA
CONT
1,000
9.7
1.15
65
40
60
B
F
TEFC
TFN
460
326
Data @
feet
Lb-Ft²
0.0
50.0
100.0
150.0
200.0
250.0
300.0
350.0
400.0
A
M
P
S
°
°
C
C
Hz
V
460
v
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