Standards World

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...

IEC 60079-25:2020 pdf free download - Explosive atmospheres The majority of intrinsically safe systems are simple systems, containing a single power sourcein associated apparatus connected to a singie piece of field mounted intrinsically safeapparatus. This annex uses...

IEC 60071-1:2011 pdf free download - Insulation co-ordination 5.11.3Standard rated lightning impulse withstand voltage In Table 3, standard rated lightning impulse withstand voltages associated with each standard ratedswitching impulse withstand voltage have been chosen in consideration of...

IEC 60034-2-3:2020 pdf free download - Rotating electrical machines 1 Scope This part of lEC 60034 specifies test methods and an interpolation procedure for determininglosses and efficiencies of converter-fed motors within the scope of lEC 60034-1:2017.Themotor is...

BS ISO IEC 33001:2015 pdf free download - Information technology - Process assessment - Conceptsand terminology In applying the layered view to the Set of Standards for Process Assessment, the group described as“Principles”defines the high level requirements...

BS ISO IEC 29102:2015 pdf free download - Information technology - Office equipment-Methodfor the determination of inkcartridge photo yield for colourprinting with inkjet printersand multi-function devicesthat contain inkjet printercomponents 4.1Set up Place the printer on a horizontal...

BS ISO IEC 33020:2015 pdf free download - lInformation technology - Process assessment - Process measurement framework for assessmentof process capability 4 overview The capability to perform a process to a specific level of performance depends on...

BS ISO IEC 26550:2015 pdf free download - Software and systemsengineering - Referencemodel for product lineengineering and management 4 From single-system engineering and management toward product lineengineering and management Single-system engineering and management is the dominant way...

BS ISO IEC 24711:2015 pdf free download - Method for the determinationof ink cartridge yield for colourinkjet printers and multi - function devices that containprinter components 4.1Set up Place the printer on a horizontal surface and set...