MC4 connection connectors - pair MC4 connection connectors are used for parallel connection of cables from solar panels. Connectors are designed for all types of panels from our offer. The price is for a pair (1x plus connection connector and 1x minus connection connector). Product parameters Max. voltage: DC 1000V Rated current: 30A contact resistance: <5mOhm safety class: class II water resistance: IP 65 temperature range: -40 ° C + 85 ° C Cable standard: 2.5 / 4 / 6mm2 non-flammable grade: UL94-V0 insulation material: PPO contact material: copper, tinned