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MD800 Armored Mill Motor
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Catalog excerpts

MD800 Armored Mill Motor - 1

MD800 Armored Mill Motor 802 to 818 Frame 5-250 HP

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MD800 Armored Mill Motor - 2

Reliability is Critical We’ve Manufactured Motors for Over 125 Years In 1879, GE founder, Thomas Edison constructed the first electric motor ever made for a 110 to 120 Volt line at Menlo Park, NJ. This device still exists and is operative! It is located in the Edison Historical Collection in New Jersey. Since then, GE has been designing, developing and perfecting DC motor technology for industrial applications—culminating in the MD800 Armored Mill Motor. Applications and Standards This low base speed, high torquemotor is used in high performance, automatic control systems that require a...

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MD800 Armored Mill Motor - 3

Rugged Inside and Out Ventilation and Cooling Commutator risers are TIG welded to armature conductors for higher overload capability A new design was developed to improve heat transfer with a low-pressure drop Proven GE commutator design has greater stability for severe MDmotor applications with improved tracking resistance Cartridge-type bearing assemblies protect bearing fromdirt and contaminants during overhaul Grease relief plug prevents forcing of excess grease into internal parts of the motor Viton® is used to seal commutator bands, preventing penetration of contaminants into critical...

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MD800 Armored Mill Motor - 4

Class H insulation system withstands high temperatures and assures long motor life Cast fans are dynamically balanced separately for ease of addition or removal Heavy-duty shafts are replaceable Lifting lugs are welded to provide strength, proper balance and safe handling Split frame permits fast and easy access to internal motor parts,minimizing downtime TREC® coils provide maximum protection against abrasion and contaminants along with superior heat transfer

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MD800 Armored Mill Motor - 5

A Full Selection Feature HP Range Frame Size Enclosures Speed Voltage Winding Time Ratings Frames Shaft Ambient Altitude Insulation Class Temperature Rise Bearing Type Leads Specification 5-250 MD802 through MD818 Totally enclosed and forced ventilated Various 230 Volt DC Series, shunt, and compound Continuous, 30 min or 60 min Horizontally split steel frame w/lifting lugs Tapered and equal on DE and CE and replaceable without disturbing the windings 40°C 3300 ft H 75°C rise by thermometer or 110°C rise by resistance Single-width solid cylindrical roller bearing Exit frame F2 configuration...

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MD800 Armored Mill Motor - 6

Mill DC Motors – MD800 Per AIST Standards Dimensions in Inches Shaft U Vent. Duct Flange Surface Motor Leads Wdth Dpth Lgth ZB ZC ZD ZE ZF ZG ZH ZL ZM ZN VB VC VD VE VF VG YE YH YK www.gemotorswolong.com MD800 Mill Duty, trademark of Wolong Electric America LLC. NEMA Premium is a trademark of NEMA. GE is a trademark of General Electric Company. Manufactured under trademark license. ©2020, Wolong Electric America LLC. All rights reserved GEA17259 (4

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