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Fecha de publicación: 20/05/2021 Uninterruptible power systems (UPS) – Part 1: Safety requirements IEC 62040-1:2017+AMD1:2021 CSV

Fecha de publicación: 20/05/2021 Maritime navigation and radiocommunication equipment and systems – Shipborne voyage data recorder (VDR) – Part 1: Performance requirements, methods of testing and required test results IEC 61996-1:2013+AMD1:2021 CSV

Fecha de publicación: 20/05/2021 Amendment 1 – Uninterruptible power systems (UPS) – Part 1: Safety requirements IEC 62040-1:2017/AMD1:2021

Fecha de publicación: 20/05/2021 Amendment 1 – Maritime navigation and radiocommunication equipment and systems – Shipborne voyage data recorder (VDR) – Part 1: Performance requirements, methods of testing and required test results IEC 61996-1:2013/AMD1:2021

Fecha de publicación: 21/05/2021 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 12: Power metering and monitoring devices (PMD) IEC 61557-12:2018+AMD1:2021 CSV

Fecha de publicación: 21/05/2021 Semiconductor devices – Part 19-2: Smart sensors – Indication of specifications of sensors and power supplies to drive smart sensors for low power operation IEC TS 60747-19-2:2021

Fecha de publicación: 21/05/2021 Amendment 1 – Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 12: Power metering and monitoring devices (PMD) IEC 61557-12:2018/AMD1:2021

Fecha de publicación: 21/05/2021 Display lighting unit – Part 2-5: Measurement method for optical quantities of non-planar light sources IEC 62595-2-5:2021

Fecha de publicación: 21/05/2021 Corrigendum 2 – Small-bore connectors for liquids and gases in healthcare applications – Part 5: Connectors for limb cuff inflation applications IEC 80369-5:2016/COR2:2021

Fecha de publicación: 26/05/2021 Interpretation Sheet 1 – High-voltage switchgear and controlgear – Part 1: Common specifications for alternating current switchgear and controlgear IEC 62271-1:2017/ISH1:2021