Wago 8 level matrix patch block din 35x75mm no lock alphabetic 727 series wago 727 124004 000 wago 727 124004 000 8 level matrix patching terminal block without locking clips for din rail 35x75mm marked h g f e d c b a a b c d e f g h for atex applications complies with en60715 8 x pair wise connection of clamping units on the same level colour blue 25pcs wago 727 124004 000 8 level matrix block h aa h no lock 75mm atex blue 25pk