Connectwell din rail spring clamp 2 5mm terminal 1 in 2 out connectwell ttecca801 1 these blocks are used to connect multiple wires in a single terminal block thereby eliminating reliability problems encountered when connecting multiple wires in a single clamp while saving time and space csc2 5t 4 e d3 has built in diode for polarity protection connectwell ttecca801 1 din rail spring clamp 2 way shorting link for 2 5mm