Sierra FS84220 Marine Battery Fuse Holder 250A with Protective Cap

The Sierra FS84220 marine-rated battery fuse holder provides critical circuit protection directly at the battery source. This compact, bolt-down fuse holder is designed specifically for harsh marine environments and high-vibration applications, making it ideal for protecting DC main circuits, bow thrusters, inverters, and windlass systems.

Key Features:

• Mounts directly onto positive battery stud for immediate overcurrent protection
• Ignition protected when used with Sierra MRBF fuses for safe marine installation
• Standard isolated M8 stud design allows stacking of multiple terminals
• Protective insulating cap prevents accidental short circuits
• Clear fuse display window provides easy fault indication
• Rated for 250A fuse with 300A maximum amperage capacity
• Compact design fits in tight engine compartments and battery boxes
• Bolt-down mounting withstands constant vibration and rough water conditions
• Meets ABYC requirements for DC main circuit protection on large battery banks
• High-interrupt rating for reliable protection of high-current marine systems

This marine battery fuse holder is engineered to provide dependable overcurrent protection in demanding marine applications while maintaining easy access for inspection and fuse replacement. The pink-colored 250A fuse provides clear visual identification for quick maintenance.