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Standards ČSN - Czech national standards - Page 2656
ČSN is a protected designation of Czech national technical standards.
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ČSN EN IEC 61643-331-ed.3 (341392)
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Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
Standard published on 1.1.2021
Selected format: English (the title page in Czech only) - Print design (25.80 USD)
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ČSN EN IEC 61643-332 (341392)
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Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)
Standard published on 1.11.2024
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ČSN EN IEC 61643-341-ed.2 (341392)
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Components for low-voltage surge protection - Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)
Standard published on 1.3.2021
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ČSN EN 61643-351 (341392)
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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)
Standard published on 1.8.2017
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ČSN EN IEC 61643-352 (341392)
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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)
Standard published on 1.10.2018
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ČSN EN 61643-11 (341392)
WITHDRAWN
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Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and tests
WITHDRAWN published on 1.3.2003
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ČSN EN 61643-311 (341392)
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Components for low-voltage surge protective devices - Part 311: Specification for gas discharge tubes (GDT)
WITHDRAWN published on 1.11.2002
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ČSN EN 61643-331 (341392)
WITHDRAWN
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Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)
WITHDRAWN published on 1.4.2004
Selected format: Print design (20.60 USD)
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ČSN EN 61643-331 (341392)
WITHDRAWN
Show all technical information.
Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)
WITHDRAWN published on 1.4.2005
Selected format: Print design (10.60 USD)
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ČSN EN IEC 61643-331-ed.2 (341392)
WITHDRAWN
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Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
WITHDRAWN published on 1.9.2018
Selected format: Print design (25.80 USD)
Show all technical information.
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