MC4 30A 1000V 2.5 / 4 / 6mm male and female connector for photovoltaic panel Features Model: MC4 Nominal voltage 1000 V Rated impulse voltage: 1000V Test voltage: 6 kV (50Hz) Suitable for cables: 10, 12, 14 AWG (2.5mm2 / 4mm2 / 6mm 2;) Rated current: 24 A-14 AWG (2.5 mm 2;), 30A-12 and 10 AWG (4 mm 2 and 6 mm 2;) Protection class: IP67 Contact material: copper, silver plated Insulation material: PC / PA Operating temperature: -40 ° C + 90 ° C The safety class: II Flame class: UL94-V0 Contact resistance: ≤5mΩ Insertion / withdrawal force: 50N / 50N Closure system: snap