Online Standards Free Download

IEC 60352-4-2020 pdf free download - Solderless connections – Part 4: Non-accessible insulation displacement (ID) connections – General requirements, test methods and practical guidance. This part of lEC 60352 is applicable to non-accessible lD connections for which...

IEC 60331-1-2009 pdf free download - Tests for electric cables under fire conditions – Circuit integrity – Part 1: Test method for fire with shock at a temperature of at least 830 °C for cables of rated...

IEC 60320-1-2021 pdf free download - Appliance couplers for household and similar general purposes – Part 1: General requirements. This part of lEC 60320 sets the general requirements for appliance couplers for two poles andtwo poles with...

IEC 60309-4-2021 pdf free download - Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes – Part 4: Switched socket-outlets with or without interlock. 7.5Replacement: The neutral terminal, if any, shall be marked N. The...

IEC 60282-1-2020 pdf free download - High-voltage fuses - Part 1: Current-limiting fuses (IEC 60282-1:2020). 5.2.2Rated current of a fuse-base The current assigned to a fuse-base that a new clean fuse-base will carry continuouslywithout exceeding specified temperature...

IEC 60269-7-2021 pdf free download - Low voltage fuses – Part 7: Supplementary Requirements for fuse-links for the protection of batteries and battery systems. Fuse-links for the protection of battery energy systems shall comply with all requirements...

IEC 60255-5-2000 pdf free download - Electrical relays – Part 5: Insulation coordination for measuring relays and protection equipment – Requirements and tests. This part of lEC 60255 gives general requirements for the insulation coordination ofmeasuring relays...