The CCALTR3741-X Aluminum Trefoil Cable Cleat is ideal for medium to high short circuit faults in less corrosive environments. The cable cleat is certified to IEC 61914:2015, for use up to 114kA peak fault current and retains cables in the event of a short circuit fault. Compatible with cable diameter of 37-41mm and installs direct to the cable tray rung via fixing hole and user-supplied M8 bolt. Insulating spacers and washers sold separately for protection against galvanic corrosion.