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UNE-EN IEC 61643-332:2025 UNE
Status: Vigente/ 2025-04-02
Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)
UNE-EN IEC 61643-331:2020 UNE
Status: Vigente/ 2020-06-01
Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Endorsed by Asociación Española de Normalización in June of 2020.)
PNE-prEN IEC 61643-361 PROY
Status: Procedure
Low-voltage surge protective components - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system - Requirements and test methods
UNE-EN IEC 61643-331:2018 UNE
Status: Anulada/ 2023-04-24
Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
