Wago wsb quick marking system for terminal block 5 175mm alphanumeric 249 ser wago 249 617000 005 wago 249 617000 005 wsb quick marking system for terminal block width 5 175mm vertical marked f21 f30 10ea 10 strips with 10 markers per card red wago 249 617000 005 wsb marking system terminal block 5 175mm f21 f30 red 5pk