Marathon Electric 256TTGN4030 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTGN4030

Catalog No: U028

20 HP Explosion Proof Motor, 3 phase, 1800 RPM, 575 V, 256T Frame, EPFC

Explosion Proof NEMA 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: 256TTGN4030, Catalog No:U028 20 HP Explosion Proof Motor, 3 phase, 1800 RPM, 575 V, 256T Frame, EPFC

Nameplate Specifications

Output HP 20 Hp Output KW 14.9 kW
Frequency 60 Hz Voltage 575 V
Current 20.0 A Speed 1765 rpm
Service Factor 1.15 Phase 3
Efficiency 91 % Power Factor 82
Duty Continuous Insulation Class F
Design Code B KVA Code F
Frame 256T Enclosure Explosion Proof Fan cooled
Thermal Protection Thermostats (N/C) Ambient Temperature 40 °C
Drive End Bearing Size 6309 Opp Drive End Bearing Size 6210
UL UL Listed And CSA Certified CSA Y
CE N IP Code 54

Hazardous Location

EXP PROOF CL I GR C&D CL II GR
F&G T3B

Technical Specifications

Electrical Type Squirrel Cage Inverter Rated Starting Method Line Or Inverter
Poles 4 Rotation Reversible
Resistance Main .468 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 25.27 in
Frame Length 12.25 in Shaft Diameter 1.625 in
Shaft Extension 4.18 in Assembly/Box Mounting F1 ONLY

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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