Marathon Electric U439A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTDN16009

Catalog No: U439A

25 HP General Purpose Motor, 3 phase, 3600 RPM, 230/460 V, 256TC Frame, ODP

Three Phase ODP Motors

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

©2019 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 256TTDN16009, Catalog No:U439A 25 HP General Purpose Motor, 3 phase, 3600 RPM, 230/460 V, 256TC
Frame, ODP

Nameplate Specifications

Output HP 25 Hp Output KW 18.7 kW
Frequency 60 Hz Voltage 230/460 V
Current 59.0/29.5 A Speed 3535 rpm
Service Factor 1.15 Phase 3
Efficiency 91.7 % Power Factor 86
Duty Continuous Insulation Class F
Design Code B KVA Code G
Frame 256TC Enclosure Drip Proof
Thermal Protection No Ambient Temperature 40 °C
Drive End Bearing Size 6309 Opp Drive End Bearing Size 6208
UL Recognized CSA Y
CE Y IP Code 22

Technical Specifications

Electrical Type Squirrel Cage Induction Run Starting Method

Poles 2 Rotation Reversible
Resistance Main .355 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type T Overall Length 24.81 in
Frame Length 14.25 in Shaft Diameter 1.625 in
Shaft Extension 3.75 in Assembly/Box Mounting F1/F2 CAPABLE

Part Wdg Start Low Volt Only & Wye
Start Delta Run

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:01/11/2019

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