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Iec 62208 This is a preview - click here to buy the full publication INTERNATIONAL STANDARD IEC Edition - NORME INTERNATIONALE Empty enclosures for low-voltage switchgear and controlgear assemblies ?? General requirements Enveloppes vides destinées aux en

This is a preview - click here to buy the full publication INTERNATIONAL STANDARD IEC Edition - NORME INTERNATIONALE Empty enclosures for low-voltage switchgear and controlgear assemblies ?? General requirements Enveloppes vides destinées aux ensembles d'appareillage à basse tension ?? Exigences générales INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale PRICE CODE CODE PRIX S ISBN - - - - CThis is a preview - click here to buy the full publication ?? ?? ? IEC CONTENTS FOREW ORD Scope Normative references Terms and de ?nitions Classi ?cation EMC requirements Information to be given regarding the enclosure General Marking Documentation General Dimensions Mounting arrangements Permissible loads Lifting and transport support Protective circuit Service conditions General Normal service conditions Ambient air temperature Humidity conditions Special service conditions Conditions during transport and storage Design and construction General Static loads Lifting and transport support Access to the interior of the enclosure Protective circuit Dielectric strength Degree of protection IK code Degree of protection IP code Type tests General General conditions of tests Marking Static loads Lifting Axial loads of metal inserts Degree of protection against external mechanical impacts IK code Degree of protection IP code Degree of protection against access to hazardous parts and against the ingress of solid foreign objects indicated by ?rst characteristic numeral Degree of protection against ingress of water as indicated by second characteristic numeral C ? IEC This is a preview - click here to buy the full publication ?? ?? Degree of protection against hazardous parts as indicated by additional letter Properties of insulating materials Thermal stability Resistance to normal heat Resistance to abnormal heat and to ?re Dielectric strength General Preconditioning Enclosures without metal elements inside the protected space Enclosures having metal elements inside the protected space Results to be obtained Continuity of the protective circuit Resistance to ultra-violet UV radiation Resistance to corrosion General Test procedure Results to be obtained Thermal power dissipation capability Bibliography Table ?? Number of samples to be tested and order of test per sample Table ?? Axial loads of metal inserts CThis is a preview - click here to buy the full publication ?? ?? ? IEC INTERNATIONAL ELECTROTECHNICAL COMMISSION EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES ?? GENERAL REQUIREMENTS FOREWORD The International Electrotechnical Commission IEC is a worldwide organization for standardization comprising all national electrotechnical committees IEC National Committees The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic ?elds To this end and in addition to other activities IEC publishes International Standards Technical Speci ?cations Technical Reports Publicly Available Speci ?cations PAS and Guides hereafter referred to as ??IEC Publication s ? Their preparation is entrusted to technical committees any IEC National Committee interested in the subject dealt with may participate in this preparatory work International governmental and nongovernmental organizations liaising with the IEC also participate in this preparation IEC collaborates closely with the International