Standards World

IEC 60433:2021 pdf free download - Insulators for overhead lines with a nominal voltage above 1 000 v - Ceramicinsulators for AC systems - Characteristics of insulator units of the long rodtype 1 Scope This International Standard...

IEC 60404-1:2000 pdf free download - Magnetic materials 1.2 Normative references The following normative documents contain provisions which，through reference in this text,constitute provisions of this part of lEC 60404.For dated references,subsequent amendmentsto,or revisions of，any of these publications...

IEC 60401-1:2020 pdf free download - Terms and nomenclature for cores made of magnetically soft ferrites 1Scope This part of lEC 60401 provides a nomenclature of the most frequent surface, bulk and shapeirregularities relevant to cores made...

IEC 60352-4:2020 pdf free download - Solderless connections 5.3.4Conductor surface finishes Solid round conductors shall be unplated or plated with tin,or silver. Stranded conductorsshall have strands unplated or plated with tin or silver. 5.3.5Wire insulation The detail...

IEC 60350-1:2021 pdf free download - Household electric cooking appliances 6.2.2Usable height The usable height is the maximum length of a cylinder with a diameter of 200 mm reachingvertically from the centre of the cavity floor to...

IEC 60336:2020 pdf free download - Medical electrical equipment - X-ray tube assemblies for medical diagnosis 4.5Direction of evaluation for the FoCAL SPoT width The direction of evaluation for the FOCAL SPOT width is normal to the...

IEC 60320-1:2021 pdf free download - Appliance couplers for household and similar general purposes 5.1General Tests shall be made to prove compliance with the requirements set out in this document,where applicable. Tests are as follows: 1) type...

IEC 60309-4:2021 pdf free download - Plugs, fixed or portable socket-outlets and appliance inlets for industrialpurposes 12.1 Switched socket-outlets with interlocks shall be so constructed that a plug or applianceinlet cannot be completely withdrawn from the socket-outlet...

IEC 60309-2:2021 pdf free download - Plugs, fixed or portable socket-outlets and appliance inlets for industrialpurposes 1 Scope This document applies to plugs，fixed or portable socket-outlets，and appliance inlets,hereinafter referred to as accessories, with a rated operating voltage...

IEC 60282-1:2020 pdf free download - High-voltage fuses 5.3.5.3 Maximum arcing withstand time The arcing withstand time is the time between the beginning of the arcing and the occurrenceof external damage to the fuse.The fuse manufacturer shall...