It's a 8 Pin Male Plug-in Screw Terminal Block Connector. The 8 Pin 5mm pitch Pluggable type PCB terminal block is a type of electronic component that provides a secure and reliable way to connect wires to printed circuit boards (PCBs). The “8 pin” refers to the number of connections available on the terminal block. This means that up to eight wires can be connected to the terminal block. The “5mm pitch” refers to the distance between each pin or connection. In this case, it is 5mm, which means that each pin is spaced 5mm apart from the next one. The “pluggable type” means that the terminal block is designed to be easily plugged and unplugged. This allows for easy maintenance and replacement of components, without the need for soldering or other complex procedures.