Marathon Electric I503 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 143TTGR16030

Catalog No: I503

1 HP Explosion Proof Motor, 3 phase, 1800 RPM, 575 V, 143T 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: 143TTGR16030, Catalog No:I503 1 HP Explosion Proof Motor, 3 phase, 1800 RPM, 575 V, 143T Frame, EPFC

Nameplate Specifications

Output HP 1 Hp Output KW 0.75 kW
Frequency 60 Hz Voltage 575 V
Current 1.3 A Speed 1765 rpm
Service Factor 1 Phase 3
Efficiency 85.5 % Power Factor 68
Duty Continuous Insulation Class F
Design Code B KVA Code P
Frame 143T Enclosure Explosion Proof Fan cooled
Thermal Protection Thermostats (N/C) Ambient Temperature 40 °C
Drive End Bearing Size 6205 Opp Drive End Bearing Size 6203
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
E,F,G T3B

Technical Specifications

Electrical Type Squirrel Cage Induction Run Starting Method Across The Line
Poles 4 Rotation Reversible
Resistance Main 11.8 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Rolled Steel
Shaft Type T Overall Length 16.00 in
Frame Length 8.81 in Shaft Diameter 0.875 in
Shaft Extension 2.31 in Assembly/Box Mounting F1 ONLY
Connection Drawing A-EE7300T Outline Drawing B-104585-881

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:14/10/2020

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