It’s a 2 Pin Screw Type PCB Terminal Block 126-5.0 (5mm Pitch). This PCB CONNECTORS can handle AC 300V 10A.  The 2 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 “2 pin” refers to the number of connections available on the terminal block. 

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