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3413 Special electrical installations

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Released: 2018
CSN EN 50107-3
Product standard covering luminous signs with discharge lamps and/or LED (light emitting diodes) and/or EL (electroluminescent) lightsources with a nominal voltage not exceeding 1 000 V, with the exclusion of general lighting, traffic- or emergency related purpose
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English
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Released: 2017
CSN EN 61643-351
Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
LANGUAGE
English
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Released: 2015
CSN EN 62858
Lightning density based on lightning location systems (LLS) - General principles
LANGUAGE
English
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CSN EN IEC 61643-331 ed. 2
Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
LANGUAGE
English
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CSN EN IEC 61643-352
Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
LANGUAGE
English