Genuine Stäubli MC4 Connector Pair for 4-6mm2 Solar PV Systems Ensure maximum safety and efficiency in your solar array with the genuine Stäubli MC4 Connector Pair. Specifically engineered to suit solar cables with an outside diameter of 5.5mm to 9mm, typically 4mm2 to 6mm2, these industry standard photovoltaic connectors provide a highly reliable electrical link for demanding renewable energy applications....