This is 3.96 mm pitch board-to-board connector for DC power supply. Applicable wire is Mated With Pin Header, Current rating is 7 A AC,DC. Voltage rating is 250V AC,DC.
This is 2.5 mm pitch board to board connector for DC power supply. Applicable wire is AWG#22-28, Current rating is 3 A AC,DC. Voltage rating is 250V AC,DC.
This is 2.0 mm pitch board-to-board connector for DC power supply. Applicable wire is AWG#24-30, Current rating is 3 A AC,DC. Voltage rating is 250V AC,DC.