IEC_60715-1981_amd1-1995_scan.pdf

NORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC7151981AMENDEMENT 1AMENDMENT 11995-10Amendement 1Dimensions de lappareillage basse tension Montage normalis sur profils-supportspour le support mcanique des appareilslectriques dans les installations dappareillage basse tensionAmendment 1Dimensions of low-voltage switchgear andcontrolgear Standardized mounting on railsfor mechanical support of electrical devices inswitchgear and controlgear installations CEI 1995 Droits de reproduction rservs Copyright all rights reservedBureau Central de la Commission Electrotechnique Internationale 3,rue de Varemb Genve,SuisseIECCommission Electrotechnique InternationaleInternational Electrotechnical CommissionMeniAYHapoiHae 3neKrporexHHVeceaa HoenHccMa?CODE PRIX?DPRICE CODEPour prix,voir catalogue en vigueurFor price,see current catalogueLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DIS17B/633/DISRapport de vote17B/697/RVDR=0,4 0,1Sans bavure5,11.11,815,2-2-?715 amend.1 CEI:1995AVANT-PROPOSLe prsent amendement a t tabli par le sous-comit 17B:Appareillage bassetension,du comit dtudes 17 de la CEI:Appareillage.Le texte de cet amendement est issu des documents suivants:Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le voteayant abouti lapprobation de cet amendement.Page 104.1 Section en forme de chapeauAjouter les dessins suivants respectivement aux figures 1 et 2:Plan de rfrencePlan de rfrenceTH 1510max.CE/874195?CH 875/95Figure 1Figure 2LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DIS17B/633/DISReport on voting17B/697/RVDTH 15R=0,4 0,1Burr free edges715 Amend.1 IEC:1 995?-3-FOREWORDThis amendment has been prepared by sub-committee 17B:Low-voltage switchgear andcontrolgear,of IEC technical committee 17:Switchgear and controlgear.The text of this amendment is based on the following documents:Full information on the voting for the approval of this amendment can be found in thereport on voting indicated in the above table.Page 114.1 Top hat sectionAdd the following figures to figure 1 and figure 2,respectively:Reference plane?Reference planeIEC 874/9?IEC 875/95Figure 1?Figure 2LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.4?715 amend.1 CEI:1995Page 18Annexe AProfils-supports en acierRemplacer les deux premiers alinas par le texte suivant:Cette annexe donne un guide pour le choix de lacier et du revtement et spcifie lesdimensions normalises et les tolrances de fabrication des profils-supports en aciersatisfaisant aux prescriptions de la prsente norme.Un matriau appropri est la feuille dacier au carbone tir froid ayant les caractressuivants:-surface aplanie aprs recuit;surface brillante;-rsistance la traction entre 320 N/mm2 et 420 N/mm2;allongement la rupture dau moins 30%;-aptitude au pliage dau moins 180 longitudinalement et transversalement la direc-tion du laminage.Un revtement appropri est un revtement de zinc ou de chrome avec une couchedpaisseur au moins gale 61.tm sauf pour les dcoupes dextrmit.Dautres qualits dacier ou dautres revtements peuvent tre utiliss aprs accord entrele fabricant et lutilisateur.Ajouter le nouvel article suivant:AO Profils section en forme de chapeau TH 15-5,5A0.1 DimensionsLes dimensions pour de tels profils sont donnes en figure A.9.Ces dimensions sont valables sur toute la longueur du profil-chapeau mais ne doiventpas tre vrifies moins de 10 mm des extrmits.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.715 Amend.1 IEC:1995?-5-Page 19Annex ASteel mounting railsReplace the first two paragraphs by the following text:This annex gives guidance for the selection of steel and finish,and specifies the standarddimensions and manufacturing tolerances of steel mounting rails which meet the require-ments of this standard.A suitable material is a cold-rolled carbon steel sheet having the following characteristics:skin passed after annealing;-bright surface finish;-tensile strength between 320 N/mm2 and 420 N/mm2;-elongation at least 30%;-180 bend test horizontally and transversally with regard to the direction of rolling.A suitable finish is zinc-plating and chromating,with a layer having a thickness of at least6 m,except for the cut surfaces resulting from cutting to length.Other qualities of steel and other finishes may be used by agreement between manu-facturer and user.Insert the following new clause:AO Top hat section rail TH 15-5,5A0.1 DimensionsThe dimensions stated for such rails are indicated in figure A.9.These dimensions apply over the whole length of the top hat rail but shall not be verifiedat less than 10 mm from each end.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.5,5 0-0,4-6-?715 amend.1 CEI:19950,3 max.C/876/95Dimensions en mill