This clause of Part 1 is replaced by:
This part of IEC 60669 applies to electronic control devices, a general term to cover electronic switches, home and building electronic systems (HBES) / building automation and control systems (BACS) switches and electronic extension units, intended for household and similar fixed electrical installations, either indoors or outdoors .
It applies to electronic switches and to HBES/BACS switches, for alternating current (AC) only with a rated voltage of the switching circuit not exceeding 250 V and a rated current not exceeding 16 A.
It also applies to electronic extension units with a rated supply voltage not exceeding 250 V AC and 120 V DC, such as sensors and push buttons.
This document also applies to electronic remote control switches (RCS) and electronic time delay switches (TDS) for alternating current (AC) with a rated voltage not exceeding 440 V and a rated current not exceeding 25 A intended for household and similar fixed electrical installations, either indoors or outdoors operated by hand and/or by remote control. For the control circuit, the rated control voltage does not exceed 440 V AC or 220 V DC . Particular requirements are given in Annex FF.
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