Remove unsourced opinions from this text: the mennekes connector however is a 7-pin (with 5 pins from three-phase iec 60309 plugs plus 2 signal pins from iec 62196) allowing them to be plugged into the 400 v three-phase grid which is widely available in central europe (230 v single-phase is the lower split-phase of 400 v three-phase electricity distribution lines).
the mennekes connector however is a 7-pin (with 5 pins from three-phase iec 60309 plugs plus 2 signal pins from iec 62196) allowing them to be plugged into the 400 v three-phase grid which is widely available in central europe (230 v single-phase is the lower line to neutral voltage of 400 v three-phase electricity distribution lines).