Safety of power converters for use in photovoltaic power systems - Part 3: Particular requirements for electronic devices in combination with photovoltaic elements (IEC 62109-3:2020 + COR1:2020); German version EN IEC 62109-3:2022

Fibre optic interconnecting devices and passive components - Fibre optic connector multimode optical interfaces - Part 2-2: Connection of 50 µm core diameter multimode physically contacting fibres - Non-angled and angled for reference connector application, at wavelength of 850 nm using IEC 60793-2-10 selected A1-OM2b to A1-OM5b fibre only (IEC 86B/4607/CD:2022); Text in German and English

Fibre optic interconnecting devices and passive components - Connector optical interfaces for enhanced Macro bend multimode fibre - Part 3-81: Connector parameters of physically contacting 50 µm core diameter fibres - Non-angled polyphenylene sulphide rectangular ferrules with a single row of 12, 8, 4, or 2 fibres for reference connector applications (IEC 86B/4837/CDV:2024); German and English version prEN IEC 63267-3-81:2024

New Work Item Proposal on IEC 62489-2 "Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure"

Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 4-2: Type SC/APC simplex 8° terminated on IEC 60793-2-50 of types B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U; German version EN 50377-4-2:2011

ISDN - Zeichengabesystem Nr 7 - Nachrichtentransferteil (MTP) zur Unterstützung internationaler Zusammenschaltung - Teil 1: Protokollspezifikation [ITU-T-Empfehlungen Q.701, Q.702, Q.703, Q.704, Q.705, Q.706, Q.707 und Q.708 modifiziert] (Endorsement of the English version EN 300008-1 V1.3.1 (2000-09) as German standard)

IEC 61249-2-27 Ed.1: Materials for printed boards and other interconnecting structures - Part 2-27: Reinforced base materials clad and unclad - Bismaleimide/triazine modified withnon-halogenated epoxide woven glass laminate sheets of defined flammability (vertical burning test), copper-clad

IEC 61249-2-30 Ed.1: Materials for printed boards and other interconnecting structures - Part 2-30: Reinforced base materials clad and unclad - Non-halogenated epoxide modified cyanate ester woven glass laminate of defined flammability (vertical burning test), copper-clad

IEC 61249-2-39 Ed.1: Materials for printed boards and other interconnecting structures - Part 2-39: Reinforced base materials clad and unclad - Modified epoxide and non-epoxide, woven E-glass laminated sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly

IEC 61249-2-40 Ed.1: Materials for printed boards and other interconnecting structures - Part 2-40: Reinforced base materials clad and unclad - High Performance, modified, non-halogenated epoxide woven E-glass laminated sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly