Marathon Electric C308B Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 256TTGN16004

Catalog No: C308B

20 HP Explosion Proof Motor, 3 phase, 3600 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.

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Product Information Packet: Model No: 256TTGN16004, Catalog No:C308B 20 HP Explosion Proof Motor, 3 phase, 3600 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 47.0/23.4 A Speed 3537 rpm Service Factor 1.15 Phase 3 Efficiency 92.4 % Power Factor 86 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 2 Rotation Reversible Resistance Main .394 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 12.26 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:18/06/2020

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