MISOL MC4 Connector for solar panel male female / MC4 Adapter / TUV certification / photovoltaic connector / Double Seal Rings for Better Waterproof Effect 50 pairs of MC4 Connectors(female and male) Double Seal Rings for Better Waterproof Effect It is certified by TUV, meet the regulation: DIN V VDE V 0126-3 Main Technical Specification: -Maximum working voltage: DC1000V -Rated Current : 25A -Flame class: UL94-V0 -Pollution degree: 2 -Shell Protection degree: IP67 -Specification of Connecting Line: 4mm2 -Ambient temperature range:-40~+90 cel.degree - Safety Level: class II - Insertion force: less than50N - Withdrawal force: over 50N it is for PV system