Marathon Electric U351A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTFL16004

Catalog No: U351A

20 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 230/460 V, 256JM Frame, TEFC

JM Motors

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©2020 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 256TTFL16004, Catalog No:U351A 20 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 230/460 V, 256JM
Frame, TEFC

Nameplate Specifications

Output HP 20 Hp Output KW 14.9 kW
Frequency 60 Hz Voltage 230/460 V
Current 47.0/23.4 A Speed 3537 rpm
Service Factor 1.15 Phase 3
Efficiency 92.4 % Power Factor 86
Duty Continuous Insulation Class F
Design Code B KVA Code G
Frame 256JM Enclosure Totally Enclosed Fan Cooled
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 43

Technical Specifications

Electrical Type Squirrel Cage Induction Run Starting Method Across The Line
Poles 2 Rotation Reversible
Resistance Main .394 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Aluminum
Shaft Type JM Overall Length 27.27 in
Frame Length 13.75 in Shaft Diameter 1.250 in
Shaft Extension 5.25 in Assembly/Box Mounting F1/F2 Capable
Connection Drawing A-EE7308 Outline Drawing B-SS321151-1375

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:03/11/2020

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