Wago din rail screwless terminal blocks base and plate wago 260 304 the wago din rail screwless terminal block spring cage 5mm 18a blue is a 2 conductor terminal block for screw or similar mounting types with cage spring connector for single multiple and fine stranded copper conductors the last open terminal is closed with a terminal plate fixed using a screw flange with a 32mm dia hole the cage clampreg connection technique allows stripped solid and ferruled conductors to be pushe