IEC 61784-5-21 Ed. 1.0 b:2018

Industrial communication networks – Profiles – Part 5-21: Installation of fieldbuses – Installation profiles for CPF 21
standard by International Electrotechnical Commission, 08/30/2018

IEC 60364-5-53 Ed. 4.1 b:2020

Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 12/10/2020

IEC 61188-6-1 Ed. 1.0 b:2021

Circuit boards and circuit board assemblies – Design and use – Part 6-1: Land pattern design – Generic requirements for land pattern on circuit boards
standard by International Electrotechnical Commission, 02/23/2021

IEC 61837-2 Amd.1 Ed. 3.0 b:2020

Amendment 1 – Surface mounted piezoelectric devices for frequency control and selection – Standard outlines and terminal lead connections – Part 2: Ceramic enclosures
Amendment by International Electrotechnical Commission, 09/24/2020

IEC 61249-2-45 Ed. 1.0 b:2018

Materials for printed boards and other interconnecting structures – Part 2-45: Reinforced base materials clad and unclad – Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity 1,0 W/(m¿¿¿K) and defined flammability (vertical burning test), copper-clad fo
standard by International Electrotechnical Commission, 01/10/2018

IEC 60335-2-34 Ed. 6.0 b:2021

Household and similar electrical appliances – Safety – Part 2-34:Particular requirements for motor-compressors
standard by International Electrotechnical Commission, 03/11/2021

IEC 60793-2-40 Ed. 5.0 b:2021

Optical fibres – Part 2-40: Product specifications – Sectional specification for category A4 multimode fibres
standard by International Electrotechnical Commission, 02/25/2021

IEC 61010-2-130 Ed. 1.0 b:2021

Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 2-130: Particular requirements for equipment intended to be used in educational establishments by children
standard by International Electrotechnical Commission, 03/23/2021

IEC 60364-5-53 Amd.1 Ed. 4.0 b:2020

Amendment 1 – Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring
Amendment by International Electrotechnical Commission, 12/10/2020