OBO Bettermann internal corner BSKM-IE 1025RW Manufacturer: OBO Bettermann Designation: Internal corner Type: BSKM-IE 1025RW Angle: 90 ° Fire resistance class I - installation duct: 120 External height: 165 mm External width: 314 mm Internal height: 100 mm Internal width: 250 mm Number of flammable sides: 3 Insulation material material: Other sheathing: steel Surface protection: wet painted RAL number: 9010 Partition walls possible: No With base perforation: No Cover fastening: Other OBO Bettermann internal corner BSKM-IE 1025RW: Further details Moulded bonnet for covering two duct ends BSKM 1025 as internal corner for direct wall and ceiling mounting. Including glued-in gaskets for sealing the joints and loose gaskets when combined with counter plate, as well as screws for equipotential bonding. , EAN: 4012196532308.