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MS IEC 60309-4:2013
Plugs, socket-outlets and couplers for industrial purposes - Part 4: Switched socket-outlets and connectors with or without interlock (IEC 60309-4:2008, IDT)
This Malaysian Standard 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.
These products may incorporate an interlock and/or protective devices.
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08/05/2019
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NSC 05 - Generation, Transmission & Distribution of Energy
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