Wago 4 level matrix patch terminal block din 35x75mm lock numeric 727 series wago 727 221023 000 wago 727 221023 000 4 level matrix patching terminal block with locking clips for din rail 35x75mm marked 3 2 1 0 0 1 2 3 complies with en60715 4 x pair wise connection of clamping units on the same level colour white 50pcs wago 727 221023 000 4 level matrix block 3 0 0 3 lock din 75mm white 50pk