Sierra FS84170 Marine Battery Fuse Holder with Protective Cap - 100A

The Sierra FS84170 marine-rated battery fuse holder mounts directly onto the positive battery stud, providing critical circuit protection at the power source. Designed specifically for harsh marine environments, this compact fuse holder delivers reliable overcurrent protection for DC main circuits, bow thrusters, inverters, and windlass systems.

Key Features:

• 100A fuse capacity with 300A maximum amperage rating
• Ignition protected when used with Sierra MRBF fuses
• Bolt-down design engineered for high-vibration marine applications
• Standard isolated M8 stud design allows stacking of multiple terminals
• Protective insulating cap prevents accidental shorts and provides weather resistance
• Clear fuse display window for easy fault indication and visual inspection
• Compact footprint ideal for tight engine room installations
• Meets ABYC requirements for DC main circuit protection on large battery banks
• High-interrupt rating for reliable performance under fault conditions

This marine-grade fuse holder provides essential protection for high-current DC circuits while meeting stringent marine safety standards. The yellow color-coded design aids in quick identification during installation and maintenance.