Marathon Electric U539A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 445TSTDCD4007

Catalog No: U539A

250 HP Fire Pump Motor, 3 phase, 3600 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: 445TSTDCD4007, Catalog No:U539A 250 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 445TS Frame,
ODP

Nameplate Specifications

Output HP 250 Hp Output KW 187.0 kW
Frequency 60 Hz Voltage 460 V
Current 272.0 A Speed 3575 rpm
Service Factor 1.15 Phase 3
Efficiency 94.5 % Power Factor 89
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 6314 Opp Drive End Bearing Size 6314
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 2 Rotation Reversible
Resistance Main .032 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 40.83 in
Frame Length 25.98 in Shaft Diameter 2.375 in
Shaft Extension 4.75 in Assembly/Box Mounting F1/F2 CAPABLE
Outline Drawing SS620756-445TS Connection Drawing EE7300BH

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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