1 Scope
Clause 1 of IEC 60309‑1:2021 or of IEC 60309‑2:2021 applies as follows:
Replace the first two paragraphs by the following:
This part of IEC 60309 applies to self-contained products primarily intended for industrial use, either
indoors or outdoors that combine the following items within a single enclosure:
These products can incorporate an interlock and/or protective devices.
These accessories are intended to be installed by instructed persons or skilled persons
only.