Crouzet millenium 3 smart expandable logic controllers 230v crouzet 88974053 this crouzet millenium 3 smart expandable logic controller is from the custom expandable range the cd20 r is a modular version that has been designed for custom application specific functions it has an lcd display with 4 lines of 18 characters and configurable backlighting crouzet 88974053 millenium 3 cd20 r 230vac smart expandable logic controller