The Blue Terminal Fuse is a space-saving, waterproof, ignition protected Marine Rated Battery Fuse (MRBF). Ignition protection for safe installation on gas-powered boats. Clear window provides visual indication of blown condition. Interrupt capacity satisfies ABYC requirements for main DC circuit protection on large battery banks. Meets SAE external ignition protection requirements. Waterproof to IP66. Requires the use of Terminal Fuse Block (Overton's item #85269 or #84262). Do not mount the fuse directly to the battery terminal. Color-coded for easy amperage identification. Sold individually.• Interrupt Rating: 10, 000A @ 14V DC5, 000A @ 32V DC2, 000A @ 58V DC• Maximum Voltage Rating: 58V DC• Fuse Hole Opening: 5/16" (M8)• Amperage: 30A• Color: Light Green• 1.09"W x 0.91"L x 0.64"H Meets ABYC standard for main DC circuit protection Maximum voltage 58V DC Waterproof to IP66 | Blue Sea Systems Terminal Fuse (MRBF), 30A