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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

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VDE Standard Drafts are only produced after ordering. Delivery time is 10-14 days.

This draft 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 and/or storage of energy.

This Document is related to the following Topics (in bold):

27	ENERGY AND HEAT TRANSFER ENGINEERING
27.010	Energy and heat transfer engineering in general
27.015	Energy efficiency. Energy conservation in general
27.060	Burners. Boilers
27.070	Fuel cells
27.075	Hydrogen technologies
27.080	Heat pumps
27.100	Power stations in general
27.120	Nuclear energy engineering
27.140	Hydraulic energy engineering
27.160	Solar energy engineering
27.180	Wind turbine energy systems
27.190	Biological sources and alternative sources of energy
27.200	Refrigerating technology
29	ELECTRICAL ENGINEERING
29.020	Electrical engineering in general
29.030	Magnetic materials
29.035	Insulating materials
29.040	Insulating fluids
29.050	Superconductivity and conducting materials
29.060	Electrical wires and cables
29.080	Insulation
29.100	Components for electrical equipment
29.120	Electrical accessories
29.130	Switchgear and controlgear
29.140	Lamps and related equipment
29.160	Rotating machinery
29.180	Transformers. Reactors
29.200	Rectifiers. Converters. Stabilized power supply
29.220	Galvanic cells and batteries
29.240	Power transmission and distribution networks
29.260	Electrical equipment for working in special conditions
29.280	Electric traction equipment

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

Switching device for islanding (SDFI)

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