Cat® 301.9 Relay Fuse Panel Film indicates the functions supported by the fuse, used in the 301.9 Hydraulic Excavator. Polycarbonate films primarily intended for use in instruction films requiring excellent impact strength and abrasion resistance. Polycarbonate films with a weather and abrasion resistant layer suitable for extended use on the electrical accessories. Cat® Films should only be applied to surfaces between 4°C and 32°C. Use of a heat gun to warm the substrate surface is recommended if the surface temperature is below 4°C. Be aware that adhesives will be much more aggressive at temperatures near and above 32°C. Cat® Film is designed and tested to deliver the quality you expect.Application:Cat® Film is used in the Relay Fuse Panels of Cat® Machines. Consult your owner's manual or contact your local Cat® Dealer for more information.