Wago matrix patchboard for 19in rack numeric 726 series wago 726 521 wago 726 521 matrix patchboard marked 1 48 48 pole numbering of modules on sides 1 and 2 is arranged vertically and horizontally colours of modules whitegrey colour dark grey 10pcs wago 726 521 matrix patchboard marked 1 48 48 pole for 19in rack dark grey 10pk