This terminal block is a spring clamp electrical connector where the individual stripped conductors are clamped down to the metal part by means of a spring. Compare to screw-type terminal block, this Spring Clamp Terminal Block gives you a constant connection. It always exerts the same force on the conductor, regardless of the influence of the user.
This Spring Clamp Terminal Block is extremely user friendly, it allows you to wire one circuit to another without any tools. It is suitable for solid wires and multi-stranded wires with a nominal cross section of 0.08 - 2.5 mm.
There are many applications that use Spring Clamp Terminal Blocks. They are often used to connect switches, speakers, and for connecting low power appliances to plugs at home.