Installation systems 339 Operating plates for Active Oneinstallation systems AC2 Dual Plate AC2 Dual Plate AC2 Dual Plate AC2 Dual Plate AC2 Dual Operating plate Operating plate Operating plate Operating plate White Chrome Grey Black matt Ref. A890173000 Ref. A890173001 Ref. A890173002 Ref. A890173006 AC3 Dual Plate AC3 Dual Plate AC3 Dual Plate AC3 Dual Plate AC3 Dual Operating plate Operating plate Operating plate Operating plate White Chrome Grey Black matt Ref. A890174000 Ref. A890174001 Ref. A890174002 Ref. A890174006 AC4 Dual Plate AC4 Dual Plate AC4 Dual Plate AC4 Dual Plate AC4 Dual Operating plate Operating plate Operating plate Operating plate White Chrome Grey Black matt Ref. A890175000 Ref. A890175001 Ref. A890175002 Ref. A890175006 EA1 Dual* Plate EA1 Dual Electronic operating plate Black Ref. A890105308 Dimensions * Product on request in mm.