PRODUCT INFORMATION PACKET
Model No: 284THFNA19043BB
Catalog No: 811559.00
25HP..1775RPM.284.TEFC./V.3PH.60HZ.CONT.NOT.40C.1.15SF.RIGID.IEEE 841.284THFNA19043AA
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: 284THFNA19043BB, Catalog No:811559.00
25HP..1775RPM.284.TEFC./V.3PH.60HZ.CONT.NOT.40C.1.15SF.RIGID.IEEE 841.284THFNA19043AA
Nameplate Specifications
Output HP
Frequency 60 Hz Voltage 460 V
Current
Service Factor
Efficiency 93.6 % Duty Continuous
Insulation Class
KVA Code G Frame 284T
Enclosure Totally Enclosed Fan Cooled Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 210 UL Recognized
CSA
IP Code
25 Hp
31.0 A
1.15
F
40 °C
Y
56
Output KW
Speed
Phase
Design Code
Drive End Bearing Size
CE
18.7 kW
1775 rpm
3
B
311
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 1.875 in Shaft Extension 4.62 in
Assembly/Box Mounting
Outline Drawing
Rigid base
26.21 in
F1/F2 CAPABLE
B-SS311057LE-1275
Motor Orientation
Frame Length
Connection Diagram
HORIZONTAL
12.75 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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XXXX.[ 5000.0]7210.0
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NOISIVER GNIWARD
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TEEHS
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WARDEZIS
NOITPIRCSED
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NOITCEJORP
YB NWARD
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ETAD
YB DEVORPPA
Uncontrolled Copy
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Date:
Speed (RPM)
Data Sheet
Current (Amps)
E
20.0
40.0
60.0
0.0
0 200 400 600 800 10 00 1200 1400 1600 1800 2000
80.0
TORQU
100.0
120.0
140.0
160.0
180.0
200.0
30.0
40.0
50.0
60.0
70.0
80.0
0% 20% 40% 60 % 80% 100% 120% 140%
F
100.0
90.0
E
F
F
P
Torque (ft-lb)
Efficiency (%) P.F. (%) Current (Amps)
182 169 108 31.0 13.0 25.0
138 117 185 74.0 0.00 1800
0 900 1662 1772 1800
P.F. (%)
1800 1793 1787 1780 1772 1,767 1763 0
13.0 15.0 19.1 24.6 31.0 35.0 40.0 182
0.00 18.3 37.0 55.5 74.0 85.5 93.0 138
3.0 43.0 65.5 76.0 81.0 82.5 83.0 33.0
LR Pull-Up BD Rated Idle
1/29/2018 811559.00
Load 0% 25% 50% 75% 100% 115% 125% LR
Current (Amps)
Torque (ft-lb)
RPM
Efficiency (%)
Motor Speed Data
LOAD
Torque Amps
90.2 93.6 94.1 93.6 93.0 93.0
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
40.0
45.0
A
M
P
S
0
0
Additional Specifications:
0.1810 0.1570 0.8480 1.0850 19.7750
R1 R2 X1 X2 Xm
EQUIV CKT (OHMS / PHASE)
VFD Rating
Outline Dwg B-SS311057LE-1275
Conn. Diag A-EE7300-LE
Rotor/Shaft wk²
Duty
Ambient
Elevation
Ref Wdg
Sound Pressure @ 1M
K2844161 NONE
Design
LR Code letter
Service Factor
Temp Rise @ FL
Construction
Voltage
Frequency
HP
Sync. RPM
Frame
Enclosure
Information Block
CONSTANT 20:1
65 dBA
CONT
1,000
4.2
1.15
60
40
60
G
B
TEFC
TFN
460
284
Data @
feet
Lb-Ft²
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
A
M
P
S
°
°
C
C
Hz
V
460
v
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