Cover insert, one-piece, for device duct vertical corner 90°, visible surfaces electrostatically powder-coated in RAL color according to manufacturer's catalog, with molded potential equalization tabs, cover insert and vertical corner base must be electrically connected, potential equalization takes place via the potential equalization cable GSLH... and the potential equalization terminal GPK 63 or the joint connector GSVA... (...T70, ...T90), please order separately. VDE certified! Use for: Device duct vertical corner 90° GKV ... C GKVU ... C GKVO ... C DKV ... C DKVU ... C DKVO ... C for cover opening: 78 mm Outside leg length: 105.5 mm Surface structure: Visible surfaces smooth Color: [customer information required] RAL: [customer information required] Material: Steel, strip galvanized in accordance with DIN EN 10346