Marathon Electric H504A Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 449TTGS16557

Catalog No: H504A

350 HP, Explosion Proof NEMA Motors, 3 phase, 1800 RPM, 460 V,449T 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: 449TTGS16557, Catalog No:H504A 350 HP, Explosion Proof NEMA Motors, 3 phase, 1800 RPM, 460 V,449T
Frame, EPFC

Nameplate Specifications

Output HP 350 Hp Output KW 260.0 kW
Frequency 60 Hz Voltage 460 V
Current 395.0 A Speed 1785 rpm
Service Factor 1 Phase 3
Efficiency 96.2 % Power Factor 86.5
Duty Continuous Insulation Class F
Design Code B KVA Code G
Frame 449T Enclosure Explosion Proof Fan cooled
Thermal Protection Thermostats (N/C) Ambient Temperature 40 °C
Drive End Bearing Size NU319 Opp Drive End Bearing Size 6318
UL UL Listed; also, UL Certified for Canada CSA N
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

Poles 4 Rotation Reversible
Resistance Main .0075 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Roller
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type T Overall Length 51.85 in
Frame Length 28.75 in Shaft Diameter 3.375 in
Shaft Extension 8.76 in Assembly/Box Mounting F1 ONLY
Outline Drawing B-SS515578-2875 Connection Drawing A-EE7300CB

Part Wdg Start & Wye Start Delta Run Or
Inverter

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This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:06/11/2020

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