Fits onto the positive battery stud providing circuit protection directly from the power source.

• Ignition protected when used with Sierra MRBF Fuses
• Bolt-down design for high-vibration applications
• Standard Isolated M8 stud design allows the stacking of terminals
• Prevents accidental shorts with protective, insulating cap
• Perfect in tight spaces to provide high current protection
• Compact and designed for DC Main, Bow Thruster, Inverter, and windlass circuit protection
• 300A Maximum Amperage
• Meets ABYC requirements for DC main circuit protection on large battery banks with high-interrupt rating
• Easy fault indication with clear fuse display
• Color-coded Amperage Identifier