IEC 60309-4:2021
Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 4: Switched socket-outlets with or without interlock
IEC 60309-4:2021 applies to self-contained products primarily intended for industrial use, either indoors or outdoors that combine the following items within a single enclosure:? a fixed or portable socket-outlet according to IEC 60309-1 or IEC 60309-2 with a rated operating voltage not exceeding 1 000 V DC or 1 000 V AC with a frequency not exceeding 500 Hz and a rated current not exceeding 800 A;? a switching device.This second edition cancels and replaces the first edition published in 2006 and Amendment 1:2012. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:? updated in order to take into account the technical revisions to IEC 60309-1 and to IEC 60309-2.This document is to be read in conjunction with IEC 60309-1:2021 and with IEC 60309?2:2021.
IEC 60309-4:2021 applies to self-contained products primarily intended for industrial use, either indoors or outdoors that combine the following items within a single enclosure:
? a fixed or portable socket-outlet according to IEC 60309-1 or IEC 60309-2 with a rated operating voltage not exceeding 1 000 V DC or 1 000 V AC with a frequency not exceeding 500 Hz and a rated current not exceeding 800 A;
? a switching device.
This second edition cancels and replaces the first edition published in 2006 and Amendment 1:2012. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
? updated in order to take into account the technical revisions to IEC 60309-1 and to IEC 60309-2.
This document is to be read in conjunction with IEC 60309-1:2021 and with IEC 60309?2:2021.
This part of IEC 60309 applies to self-contained products that combine within a single enclosure, a socket-outlet or connector according to IEC 60309-1 or IEC 60309-2 and a switching device, with a rated operating voltage not exceeding 690 V d.c. or a.c. and 500 Hz , and a rated current not exceeding 250 A, primarily intended for industrial use, either indoors or outdoors.
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