SSH EN IEC 60669-2-4:2025

Switches for household and similar fixed electrical installations - Part 2-4: Particular requirements - Isolating switches

Scope

IEC 60669-2-4:2024 applies to manually operated general purpose isolating switches with a rated voltage not exceeding 440 V and a rated current not exceeding 125 A, intended for household and similar fixed electrical installations, either indoors or outdoors. This second edition cancels and replaces the first edition published in 2004. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

a) revision of the present edition with reference to the published IEC 60669-1:2017 Edition 4 with its amendments and references to clauses and tables;

b) introducing the values for isolating switches with ratings from 6 A to 13 A;

c) introducing a circuit motor load with a rated current not exceeding 10 A and a power factor not less than 0,6 in the scope;

d) modification of Table 1 and Table 5.