Features: 1:Flame rating :V-0 assuring absolute safety in EV application. 2:Hear resistant performance:-40?~+180?; 3:Mounting torque:screw M18 11Nm,screw M10 21Nm,screw M12 38Nm;guaranteeing reliable connecting (bottom screw should be fixed be spanner); 4:Vibtration resistance:conforms to GB/T31467.3 material of main body:glass fiber plate,high density,higer strength; 5:Screws for mounting:304 stainless steel,no rust or corrsion,excellent electric performance; 6:Easy to install,space saving; 7:Envionmental protection material,conforms to RoHS; 8:Insulation resistance:500Vdc,550MO 9:Power frequency withstand voltage:12-18kv. Power frequency withstand voltage:13-18KV