Wago din rail terminal blocks spring cage 10mm 57a wago 2010 1307 the wago din rail terminal block spring cage 10mm 57a green yellow is a 3 conductor through terminal block suitable for exe applications the protective conductor terminal 2010 made possible by the cage clamp connector simple plug from a wire and flexible provided with crimped ferrules connectors the cage clampreg connection technique allows stripped solid and ferruled conductors to be pushed in with their space saving