Marathon Electric C328B Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTGN16034

Catalog No: C328B

20 HP Explosion Proof Motor, 3 phase, 1800 RPM, 230/460 V, 256TC Frame, EPFC

Explosion Proof NEMA Motors

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

©2020 Regal Beloit Corporation, All Rights Reserved. MC017097E

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Product Information Packet: Model No: 256TTGN16034, Catalog No:C328B 20 HP Explosion Proof Motor, 3 phase, 1800 RPM, 230/460 V, 256TC
Frame, EPFC

Nameplate Specifications

Output HP 20 Hp Output KW 14.9 kW
Frequency 60 Hz Voltage 230/460 V
Current 48.0/24.1 A Speed 1775 rpm
Service Factor 1 Phase 3
Efficiency 93 % Power Factor 84
Duty Continuous Insulation Class F
Design Code B KVA Code G
Frame 256TC 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 .474 Ohms Mounting Round
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type T Overall Length 25.77 in
Frame Length 12.25 in Shaft Diameter 1.625 in
Shaft Extension 3.75 in Assembly/Box Mounting F1 ONLY
Connection Drawing A-EE7308T Outline Drawing B-SS207446-1225

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:10/06/2020

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10/2/2008 1:39:00 AM

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