SMH SY175 Series 4 AWG 175A Breakaway DC Power Connector 4 AWG battery connector kit rated at 175A, 600 VDC Impact resistant polycarbonate housing offers high physical strength and superior dielectric properties Silver-plated solid copper contacts offer low resistance for superior conductivity Self cleaning contact design resists arcing by keeping conductive surfaces clean and free of corrosion Contacts have flared and heat treated barrels which readily accept fine stranded wire