PV-NEHP01 Junction Box Product Specifications: BOX Material:PPE/PA;Rated current:30A(With diode); Rated voltage:1500VDC;Test voltage:8kV(50Hz,Imin); Contact resistance: 0.25m ;Contact material:Copper, tin plated; Degree of protection:IP68(in potting);Safety degree:II; Flame Class:UL94-V0;Ambient temperature range:-40 85 (IEC); Suitable cable cross sections:6mm2 (10AWG);Diode Number:Each 1PC; Upper limiting temperature:110 (IEC);Range of cable gland(mm):O.D.:6.0; Ribbons size(mm):Max.8(W) 0.2-0.5(T);Connection of bus ribbons:Soldering.