MC4 Photovoltaic DC connector


MC4 connector is typically made from copper, with a tin plating to enhance their conductivity and corrosion resistance, it is specialized electrical connectors designed specifically for solar panels, inverters, DC combiner boxes, and other components in a photovoltaic (PV) system. MC4 connectors have become the industry standard due to their reliability, weather resistance, compatibility, cost-effectiveness, and easy installation and maintenance.


Connector system Φ4mm
Rated voltage 1000V/1500V DC
Rated current 17A(1.5mm2)   22A(2.5mm2,14AWG), 30A(4mm2 , 6mm2, 12AWG, 10AWG)
Test voltage 6kV(50Hz, 1min)
Ambient temperature range -40°C…+90°C(IEC)   -40°C…+75°C(UL)
Upper limiting temperature +105°C(IEC)
Degree of protection, mated IP67
Unmated IP2X
Comtact resistance of plug connectors 0.5mΩ
Safety class
Contact material Messing, verzinnt    Copper Alloy, tin plated
Insulation material PC/PPO
Locking system Snap-in
Flame class UL-90-V0
Sait mist spray test, degree of severity 5 IEC60068-2-52


MC4 Photovoltaic DC connector Dimension

MC4 Photovoltaic DC connector Dimension

MC4 Photovoltaic DC connector Dimension


21 MB

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