Marathon Electric U501A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTDBD4020

Catalog No: U501A

25,3600,DP,256T,3/60/190/380-400

Fire Pump

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: 256TTDBD4020, Catalog No:U501A 25,3600,DP,256T,3/60/190/380-400

Nameplate Specifications

Output HP
Frequency 60 Hz Voltage 190/380-400 V
Current
Service Factor
Efficiency 91 % Duty Continuous
Insulation Class
KVA Code G Frame 256T
Enclosure Drip Proof Overload Protector No
Ambient Temperature
Opp Drive End Bearing Size 6208 UL No
CSA
IP Code

25 Hp

70.0/35.0-33.5 A

1.15

F

50 °C

Y
23

Output KW

Speed
Phase

Design Code

Drive End Bearing Size

CE

18.7 kW

3550 rpm
3

B

6209

Y

Technical Specifications

Electrical Type

Poles 2 Rotation Reversible

Squirrel Cage Induction Run

Starting Method

Part Wdg Start Low Volt Only & Wye Start
Delta Run

Mounting
Drive End Bearing BALL Opp Drive End Bearing BALL
Frame Material Rolled Steel Shaft Type T
Overall Length
Shaft Diameter 1.625 in Shaft Extension 4.00 in
Assembly/Box Mounting F1/F2 CAPABLE
Outline Drawing

Rigid base

24.22 in

SS620685-256T

Motor Orientation

Frame Length

Connection Diagram

HORIZONTAL

12.20 in

EE7308AA

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created: 10/30/2018

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