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    CEI EN 61643-351 : 1ED 2017

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)

    Comitato Elettrotecnico Italiano

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    IEC 61643-352:2018

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTION - PART 352: SELECTION AND APPLICATION PRINCIPLES FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SITS)

    International Electrotechnical Committee

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    UNE-EN 62657-1:2017

    Industrial communication networks - Wireless communication networks - Part 1: Wireless communication requirements and spectrum considerations (Endorsed by Asociación Española de Normalización in December of 2017.)

    Asociacion Espanola de Normalizacion

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    UNE-EN 62657-2:2017

    Industrial communication networks - Wireless communication networks - Part 2: Coexistence management (Endorsed by Asociación Española de Normalización in August of 2017.)

    Asociacion Espanola de Normalizacion

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    NF EN 61643-351 : 2017

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)

    Association Francaise de Normalisation

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    UNE-EN 61643-351:2017

    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 Española de Normalización in March of 2017.)

    Asociacion Espanola de Normalizacion

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    EN 61643-351 : 2017

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT) (IEC 61643-351:2016)

    European Committee for Standards - Electrical

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    IEC 61643-351:2016

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)

    International Electrotechnical Committee

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    KS C IEC 61643-312:2016

    COMPONENTS FOR LOW–VOLTAGE SURGE PROTECTIVE DEVICES – Part 312: Selection and application principles for gas discharge tubes

    Korean Standards Association

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    JIS C 5381-311:2016

    Components For Low-voltage Surge Protective Devices - Part 311: Performance Requirements And Test Circuits For Gas Discharge Tubes (gdt)

    Japanese Standards Association

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