Wago din rail terminal block spring cage 762mm wago 727 219022 000 the wago din rail terminal block spring cage 762mm is a 40 level terminal block for matrix patching with locking clips marking a b c d d c b a 4 x in pairs connect the clamping points which lie at the same level according to en60715 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