These are simple 12-position screw terminals with 3.54mm pitch pins. Rated up to 125V @ 10A, this terminal can accept 26 to 16AWG wire. The 3.5mm pitch will line up with standard 0.1" perf boards. https://elecena.pl/product/22513255/screw-terminals-3-5mm-12-pin 2023-01-28 https://elecena.pl/product/22513255/screw-terminals-3-5mm-12-pin 2023-01-31 https://elecena.pl/product/22513255/screw-terminals-3-5mm-12-pin 2025-06-04 https://elecena.pl/product/22513255/screw-terminals-3-5mm-12-pin 2025-06-06