UNE - Spanish national standards

Components for low-voltage surge protective devices -- Part 321: Specifications for Avalanche Breakdown Diode (ABD).

Available languages: English, Spanish

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Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Endorsed by Asociación Espanola de Normalización in June of 2020.)

Available languages: English

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Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)

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Components for low-voltage surge protection - Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)

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Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) (Endorsed by Asociación Espanola de Normalización in March of 2017.)

Available languages: English

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Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (Endorsed by Asociación Espanola de Normalización in May of 2018.)

Available languages: English

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Low-voltage surge protective devices - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system - Requirements and test methods (Endorsed by Asociación Espanola de Normalización in August of 2026.)

Available languages: English

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Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods (Endorsed by Asociación Espanola de Normalización in September of 2025.)

Available languages: English

Available design: electronic design (pdf), Print design

Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods (Endorsed by Asociación Espanola de Normalización in September of 2025.)

Available languages: English

Available design: electronic design (pdf), Print design

Weibull analysis

Available languages: English, Spanish

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