Wago 8 level matrix patch terminal block din rail 35x15mm lock plain 727 series wago 727 129 wago 727 129 8 level matrix patching terminal block with locking clips for din rail 35x15mm plain complies with en60715 8 x pair wise connection of clamping units on the same level colour grey 25pcs wago 727 129 8 level matrix block plain lock din 15mm grey 25pk