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GEH-43980 Types AKA 30-50 Low Voltage Power Circuit Breakers • SHALLOW SUBSTRUCTURE AKR Substructure Minimum Enclosure and Ventilating Requirements DEEP SUBSTRUCTURE Minimum Ventilation Ventilation Area Reauired For Breaker Frame Sizes 800A Unfused 1600A 2000A Unfused None -Required 36 Square Inches at Top Plus 36 Square Inches at Bottom \ I I r I I I I I I I LJ I I I I I 21.0 0 Min L 26.38 Min. 12.75 Max. I =1 l - ~ ' I I I I I I I I -- r- \ ~ CJ L .38 Additional Width Req'd For Optional Keylock ~ I ;r'r 11 1 I I I I I I I I I \ L__ .. - Minimum Ventilation Ventilation Area For Breaker Required Frame Sizes 800A None Required Unfused 1600A 36 Square Inches at 2000A Unfused Top Plus 36 Square 800A Fused Inches at Bottom 1600A 21.0 0 Min. .. .....__ 12.75 I =i :-[__ .38 Additional Width Req' d For Optional Keylock 26.38 - -Max. --- .I Min. trrr:r--1 -= I I 22. 38 Min I I I 22.38 I Min I I I h l... - © 1983 GENERAL ELECTRIC COMPANY These instructions do not purport to cover all details or variations in equipment nor to provide for eveiy possible contingency to be met in connection with installation operation or maintenance. Should further Information be desired or should panic· u/ar problems arise which are nor covered sufficiently for the purchaser"s pur· poses, the matter should be referred to the General Electric Company. Outside the U.S. and Canada write International Trading Operations, 570 Lexington Avenue, New York, NY 10022 GEH-43980 0583PSA Courtesy of NationalSwitchgear.com For further information call or write your local General Electric Sales Office or . .. GENERAL General Electric Distribution Equipment 41 Woodford Avenue Plainville, CT 06062 fj ELECTRIC Courtesy of NationalSwitchgear.com Courtesy of NationalSwitchgear.com Courtesy of NationalSwitchgear.com Courtesy of NationalSwitchgear.com