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IEC 63552 Ed. 1.0 en:2026

Switching device for islanding (SDFI)
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IEC 63552 Ed. 1.0 en:2026

Switching device for islanding (SDFI)

PUBLISH DATE 2026
IEC 63552 Ed. 1.0 en:2026

IEC 63552:2026 applies to switching device for islanding, hereafter referred to as SDFI, for household and similar uses, primarily intended to be used for energy efficiency (EE) purposes with local production or local storage of energy, or with both.

SDFI are intended to be installed in low voltage prosumer electrical installations (PEI) able to operate in island mode as defined in IEC 60364-8-82, so called islandable PEI.

SDFI are used to disconnect the PEI from the grid to allow operating the PEI in island mode and further reconnect the PEI to the grid.

SDO IEC: International Electrotechnical Commission
Document Number IEC 63552
Publication Date June 1, 2026
Language en - English
Page Count 34
Revision Level 1.0
Supercedes
Committee 23K
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