To separate circuits within cable trays with a flange height of 60 mm. Insulating material, halogen-free. Colour: Grey RAL 7038. Easy and quick installation for safety. Use 2 screws Ref. 66839-A2 / 66839-A4 per meter (possibility to use the combination 66829-A2 / 66829-A4+66819 instead of the screws 66839-A2 / 66839-A4 in case insulation protection for the screw head is required).