BLUE SEA SYSTEMS TERMINAL FUSES •MRBF—Marine Rated Battery Fuse •Space-saving ignition protected fuse for 30 to 300 Amp loads •Requires the use of Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal •Features: High Interrupt Rating - satisfies ABYC requirements for DC Main circuit protection on large battery banks Visual indication of blown fuse condition Color-coded for easy amperage identification •Maximum Operating Voltage: 58V DC •Sold Individually •Type: 50A •Color: Red