There are 10.16 mm and 12.7 mm pitch, number of contact is from 2 to 24 pin, with brass contact, UL list.

Pluggable terminal blocks are used to quickly connect or disconnect electrical equipment and devices. Can provide different poles, different pitch, and both male and female(a pair).

It's 1 to 1 Pin. Can be spliced into multipoles. The color of lever button can be customized.