This is part of a PIR sensor circuit. The component in question is the black array where wires can be fastened. I tried searching the web, but for lack of any tangible keywords, I came up empty handed.
Electronic – this component called (Plastic housing with screws for connecting wires)
identification
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Best Answer
That's a screw terminal block.
As you can see in your provided image: Wires go inside. Loosen the screws, insert wires, tighten screws, done. No soldering or crimping required.