STM PDF

Optical fibre cables - Part 1-218- Generic specification - Basic optical cable test procedures - Environmental test methods - Mid-span temperature cycling test for exposed optical cable elements, method F18. IEC 60794-1-218:2025-08(en). Original standard IEC 60794-1-218-2025 in PDF full version. Additional info + preview on request

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Corrigendum 1 - Amendment 1 - Power cables with extruded insulation and their accessories for rated voltages above 30 kV (U_m = 36 kV) up to 150 kV (U_m = 170 kV) - Test methods and requirements. IEC 60840:2020-05/AMD1:2023-06/COR1:2025-06(en). Original standard IEC 60840-2020 amd1-2023 cor1-2025 in PDF full version. Additional info + preview on request

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Electromagnetic compatibility (EMC) - Part 4-23: Testing and measurement techniques - Test methods for protective devices for HEMP and other radiated disturbances. IEC 61000-4-23:2016-10+AMD1:2025-07 CSV. Original standard IEC 61000-4-23-2025 in PDF full version. Additional info + preview on request

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Electromagnetic compatibility (EMC) - Part 4-34: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with input mains current more than 16 A per phase. IEC 61000-4-34:2005-10+AMD1:2009-05+AMD2:2025-08 CSV(en). Original standard IEC 61000-4-34-2025 in PDF full version. Additional info + preview on request

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Programmable controllers - Part 3- Programming languages. IEC 61131-3:2025-05. Original standard IEC 61131-3-2025 in PDF full version. Additional info + preview on request

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Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-5: Tests - Torsion. IEC 61300-2-5:2022-09+AMD1:2025-07 CSV. Original standard IEC 61300-2-5-2025 in PDF full version. Additional info + preview on request

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