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These supplementary requirements apply to fuse-links for protecting PV strings and PV arrays in equipment for circuits of nominal voltages up to 1 500 V d.c. Their rated voltage may be up to 1 500 V d.c. The object of these supplementary requirements is to establish the characteristics of PV fuse-links in such a way that they can be replaced by other fuse-links having the same characteristics, provided that their dimensions are identical. The responsible Committee is Subcommittee UK 541.1 "Sicherungen und Schalter-Sicherungseinheiten" ("Fuses and fuse-combination units") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.
This document has been replaced by: DIN EN 60269-6:2024-12; VDE 0636-6:2024-12 .