Wago 8 level same potential terminal block din 35x15mm lock numeric 727 series wago 727 137001 000 wago 727 137001 000 8 level same potential terminal block with locking clips for din rail 35x15mm marked 0 1 2 3 4 5 6 7 7 6 5 4 3 2 1 complies with en60715 all clamping points are short circuited colour light grey 25pcs wago 727 137001 000 8 level same potl block 0 77 0 lock 15mm lt grey 25pk