Marathon Electric U540A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 445TSTDCD14051

Catalog No: U540A

250 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 445TS Frame, ODP

Fire Pump Motors

Regal and Marathon are trademarks of Regal Beloit Corporation or one of its affiliated companies.

©2021 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 445TSTDCD14051, Catalog No:U540A 250 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 445TS Frame,
ODP

Nameplate Specifications

Output HP 250 Hp Output KW 187.0 kW
Frequency 60 Hz Voltage 460 V
Current 278.0 A Speed 1788 rpm
Service Factor 1.15 Phase 3
Efficiency 95.5 % Power Factor 87
Duty Continuous Insulation Class F
Design Code B KVA Code F
Frame 445TS Enclosure Drip Proof
Thermal Protection No Ambient Temperature 50 °C
Drive End Bearing Size 6319 Opp Drive End Bearing Size 6317
UL Listed CSA Y
CE Y IP Code 23

Technical Specifications

Electrical Type Squirrel Cage Induction Run Starting Method Part Wdg Start & Wye Start Delta Run
Poles 4 Rotation Reversible
Resistance Main .022 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type TS Overall Length 45.95 in
Frame Length 31.10 in Shaft Diameter 2.375 in
Shaft Extension 4.75 in Assembly/Box Mounting F1/F2 CAPABLE
Connection Drawing EE7300BH Outline Drawing SS620756-445TS

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:06/01/2021

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