Marathon Electric GT1225A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTFCD6028

Catalog No: GT1225A

20 HP General Purpose Motor, 3 phase, 1800 RPM, 230/460 V, 256TC Frame, TEFC

Three Phase TEFC 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: 256TTFCD6028, Catalog No:GT1225A 20 HP General Purpose Motor, 3 phase, 1800 RPM, 230/460 V, 256TC
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 256TC 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 T Overall Length 26.39 in
Frame Length 11.73 in Shaft Diameter 1.626 in
Shaft Extension 4 in Assembly/Box Mounting F1/F2 CAPABLE
Outline Drawing SS620700-200 Connection Drawing EE7308K

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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