IEC 60282-1:2020 applies to all types of high-voltage current-limiting fuses designed for use outdoors or indoors on alternating current systems of 50 Hz and 60 Hz and of rated voltages exceeding 1 000 V.This eighth edition cancels and replaces the seventh edition published in 2009.This edition includes the following significant technical changes with respect to the previous edition:– additional information concerning thermally operated strikers;– the division of ratings, characteristics and type tests into those applicable to all fuses and those applicable to particular fuse-link types and applications;– adjustment of Series II voltages and tests to meet present North American standard system voltages and applications;– clarification of requirements for fuse-links used in surrounding temperatures above 40 °C; and– clarification of homogeneous requirements for fuse-links containing one element.