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[PDF] IEC 61753-021-06:2023 gratis

Fecha de publicación: 06/10/2023 Fibre optic interconnecting devices and passive components – Performance standard – Part 021-06: Single-mode fibre optic connectors terminated as pigtails and patchcords for category OP+ – Extended outdoor protected environment IEC 61753-021-06:2023

[PDF] IEC 61753-021-02:2023 gratis

Fecha de publicación: 06/10/2023 Fibre optic interconnecting devices and passive components – Performance standard – Part 021-02: Single-mode fibre optic connectors terminated as pigtails and patchcords for category C – Controlled environment IEC 61753-021-02:2023

[PDF] IEC 60730-2-5:2013/COR1:2023 gratis

Fecha de publicación: 16/10/2023 Corrigendum 1 – Automatic electrical controls – Part 2-5: Particular requirements for automatic electrical burner control systems IEC 60730-2-5:2013/COR1:2023

[PDF] IEC 61439-4:2023 EXV-RLV gratis

Fecha de publicación: 17/10/2023 Low-voltage switchgear and controlgear assemblies – Part 4: Particular requirements for assemblies for construction sites (ACS) IEC 61439-4:2023 EXV-RLV

[PDF] IEC 63138-2:2023 gratis

Fecha de publicación: 17/10/2023 Multi-channel radio-frequency connectors – Part 2: Sectional specification for MQ4 series circular connectors IEC 63138-2:2023

[PDF] IEC 61439-4:2023 EXV gratis

Fecha de publicación: 17/10/2023 Low-voltage switchgear and controlgear assemblies – Part 4: Particular requirements for assemblies for construction sites (ACS) IEC 61439-4:2023 EXV

[PDF] IEC 62282-4-202:2023 gratis

Fecha de publicación: 17/10/2023 Fuel cell technologies – Part 4-202: Fuel cell power systems for propulsion and auxiliary power units – Unmanned aircrafts – Performance test methods IEC 62282-4-202:2023