The XC series electrical connectors adopt a snap-in quick connection system, which is easy to operate, reliable in connection, with five-key positioning, error-proof insertion, and support blind insertion. The double-curved surface spring holes allow for smooth insertion and removal. There are various connection methods such as crimping, welding, and multiple key positions as well as various types of tail accessories available for selection. The product complies with the enterprise standard Q/3E20056-2003.