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E DIN EN IEC 63552 VDE 0601-3552:2026-01

Switching device for islanding (SDFI)

(IEC 23K/121/CDV:2025); German and English version prEN IEC 63552:2025
Class/Status: Draft, valid
Released: 2026 -01   Published: 2025-12 -12
VDE Art. No.: 1600514
End of objection deadline: 2026-02-12

Note: You can pre-order this document (delivery subject to availability). Valid from 2026-01-01.