Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-3: M...
IEC 62505-3-3:2020 is applicable to new voltage transformers which are:
- intended for use in indoor or outdoor fixed installations in tractions systems, and
- operated with an AC line voltage and frequency as specified in IEC 60850.
This document also applies to voltage transformers other than inductive types as far as reasonably possible. Requirements of this document have priority.
This…
Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 460: Mu...
IEC 61162-460:2018+A1:2020 is an add-on to IEC 61162-450 where higher safety and security standards are needed, for example due to higher exposure to external threats or to improve network integrity. This document provides requirements and test methods for equipment to be used in an IEC 61162-460 compliant network as well as requirements for the network itself and requirements for interconnection…