Signstek Y Branch MC4 Solar Panel Adaptor Cable Connector (1, M/FFFF and F/MMMM) Resistance of extra high & low temperature and fireproof Compatible with PV cables with different insulation diameters Quick & simple assembly processing and simple removal of plugs without the aid of any extra instrument Including 1 male to 4 female(M/FFFF) and 1 female to 4 male(F/MMMM) -Compatible Mc4 -Double seal rings for better waterproof effect -Compatible with PV cables with different insulation diameters -It can be used in harsh environment -With excellent aging resistance and UV endurance -Created seal, design of dust proof -Load capability with big current and high voltage -Quick &amp; simple assembly processing and simple removal of plugs without the aid of any extra instrument -Strong pulling force capability -Resistance of extra high &amp; low temperature and fireproof -Lower contact resistance Insulation material:TPE PPO Rated current;15A Rated voltage:1000V(TUV)&amp;600V(UL) Test voltage:6kV(50Hz,lmin) Typical contact resistance:0.2mm Contact material:Copper,Tin plated Degree of protection:IP67 Safety degree:ll Flame class:UL94-V0 Material RTl:110 Ambient temperature range:-40 until+85 Wire Size:2.5-10mm Weight: 0.48kg 1xM/FFFF Signstke Cable 1xF/MMMM Signstke Cable