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What does the standard 60309 mean?

The standard DIN EN / IEC 60309 is an international standard for plugs and sockets, electric couplers and device connectors that are primarily intended for industrial use (with nominal operating voltages of up to 1000 V, 500 Hz and a nominal current of up to 125 A). Part 1 of the standard describes the general requirements for all industrial connectors. Part 2 specifies a series of connectors with round housings with different numbers and arrangements of contact pins for different applications. Our CEE plugs and sockets are manufactured in accordance with this standard.