4in1 Piercing connector(IPC4116120) Product Specification: Insulation material:PA+CU; Safety degree:II; Rated voltage:1500VDC/1000VAC; Flame class:UL94-V0; Suitable cable cross sections:Tap:2.5~16mm2 (OD Max.9.0) / Main:10-120mm2 (Al/CU); Installation type:Outdoor,UV resistant(F1); Contact resistance: 5 m; Ambient temperature range:-40+85 Contact material:Copper,Tin plated; Connecting system:Lock connection; Degree of protection:IP67; Nut cap locking force:12Nm; Overvoltage category/Pollution degree:CATIII/2; Upper limiting temperature:110 (IEC).