Wago 8 level same potential block din 35x15mm lock alphabetic 727 series wago 727 135002 000 wago 727 135002 000 8 level same potential terminal block with locking clips for din rail 35x15mm marked a b c d e f g h h g f e d c b a complies with en60715 all clamping points are short circuited colour orange 25pcs wago 727 135002 000 8 level same potential block a hh a lock 15mm orange 25pk