Device duct cover, smooth, visible surfaces electrostatically powder-coated in RAL color according to manufacturer's catalog, cover and duct base must be electrically connected, including a potential equalization terminal GPK 63. VDE certified! Use for: Device duct bases GKU ... C DKU ... C PGU 120-78 C PLU 120-78 C for cover opening: 78 mm Surface structure: Visible surface smooth Delivery length L: 50 mm Color: [customer information required] RAL: [customer information required] Material: Steel, strip galvanized according to DIN EN 10346