Leeson 811559.00 Product Information Packet

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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