Wago din rail terminal blocks spring cage 52mm 24a wago 2002 1404 the wago din rail terminal block spring cage blue 52mm 24a is a 4 conductor through terminal block suitable for exe applications this earth wire terminal enables a simple plugging of one wired and flexible conductors equipped with crimped wire end sleeves the cage clampreg connection technique allows stripped solid and ferruled conductors to be pushed in with their space saving design the terminal block is up to 30 sm