Marathon Electric GT3125A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTFCD6031

Catalog No: GT3125A

20 HP Close-Coupled Pump Motor, 3 phase, 1800 RPM, 230/460 V, 256JM Frame, TEFC

JM 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: 256TTFCD6031, Catalog No:GT3125A 20 HP Close-Coupled Pump Motor, 3 phase, 1800 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 48.5/24.2 A Speed 1768 rpm
Service Factor 1.15 Phase 3
Efficiency 93 % Power Factor 83.5
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 6209
UL Listed CSA Y
CE Y IP Code 55
Hazardous Location DIVISION 2 T2B

Technical Specifications

Electrical Type Squirrel Cage Inverter Rated Starting Method Line Or Inverter
Poles 4 Rotation Selective Clockwise
Resistance Main .513 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type JM Overall Length 27.89 in
Frame Length 11.73 in Shaft Diameter 1.250 in
Shaft Extension 5.5 in Assembly/Box Mounting F1/F2 CAPABLE
Connection Drawing EE7308K Outline Drawing SS620795-200

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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