IEC 63445:2025 applies to system referencing conductor switching device (SRCSD) for household and similar uses within a Prosumer’s electrical installations (PEI).
The SRCSD provides functions as described in IEC 60364-8-82:2022 [2], 82.8.2.2.4.
PEI intended for operating by either being connected to a distribution network or disconnected from the distribution network is an islandable PEI.
Intentional disconnection from and connection to the distribution network relies on the local earthing system being switched by the SRCSD. In addition, unintentional loss of distribution network is covered.
The SRCSD is a single pole device intended to connect one live conductor of the power system to an earthing arrangement.
IN_DEVELOPMENT
IEC 63445 ED1
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
2 maj 2025
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