Exotronic Marine Rated Battery Fuse (MRBF) Terminal Fuse - 40A *Please Note Exotronic MRBF fuses only fit Exotronic MRBF Fuse Blocks. Enhanced Safety Features Ensure the utmost safety of your electrical systems with Exotronic's Marine Rated Battery Fuse. Each MRBF terminal fuse includes an insulating cap to prevent accidental shorts, significantly boosting safety and reliability. Compact, Space-Saving Design Our MRBF...