DIN EN IEC 61558-2-9
; VDE 0570-2-9:2025-12
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps (IEC 61558-2-9:2024); German version EN IEC 61558-2-9:2025
Sicherheit von Transformatoren, Drosseln, Netzgeräten und entsprechenden Kombinationen - Teil 2-9: Besondere Anforderungen und Prüfungen an Transformatoren und Netzgeräten für Handleuchten der Schutzklasse III für Wolframdrahtlampen (IEC 61558-2-9:2024); Deutsche Fassung EN IEC 61558-2-9:2025
Overview
This part of IEC 61558 deals with the safety of transformers for class III handlamps and power supply units incorporating transformers for class III handlamps. Transformers incorporating electronic circuits are also covered by this document. This document is applicable to stationary or portable, single-phase, air-cooled (natural or forced) independent or associated dry-type transformers. The windings can be capsulated or non-encapsulated. This document does not apply to external circuits and their components intended for connection to the transformer's input and output terminals. The standard differs from DIN EN 61558-2-9 (VDE 0570-2-9):2011-09 as follows: a) alignment of the structure and references in accordance with IEC 61558-1:2017; b) new symbol for power supply units with linearly regulated output voltage.; c) the document applies not only to transformers for handlamps with tungsten filament.
Document: references other documents
Responsible national committee
DKE/K 323 - Transformatoren, Drosseln, Netzgeräte und entsprechende Kombinationen
