The high-current connectors are for units shipped before 20-Feb-2022, the standard connectors are for units shipped on or after 20-Feb-2022. PCB connectors that use the high-current connections are marked with TH, see picture.
This is a spare set of two connector housings, one 2×12 (24) and one 2×11 (22), and 50 wire terminals.
The right angle PCB plug are not included. All parts are included with the UA4C board unless purchased without.