Wago din rail terminal blocks spring cage 35mm 135a wago 2000 1404 the wago din rail terminal block spring cage blue 35mm 135a is a 4 conductor through terminal suitable for exe applications 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 smaller than standard terminal block and with a conductor entry angle of less than 15deg which allows easier installation in small