Sierra FS84230 Marine Battery Fuse Holder 300A MRBF

The Sierra FS84230 is a marine-rated battery fuse holder designed to mount directly onto the positive battery stud, providing critical circuit protection at the power source. This heavy-duty fuse holder is engineered specifically for marine environments and high-current DC applications.

Key Features:

• 300A maximum amperage capacity for high-current protection
• 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 contact
• Clear fuse window provides easy visual fault indication
• Compact design ideal for tight installation spaces
• Meets ABYC requirements for DC main circuit protection on large battery banks
• High interrupt rating for reliable overcurrent protection

Applications:

• DC main circuit protection
• Bow thruster systems
• Inverter circuits
• Windlass circuit protection
• Large battery bank installations

This marine-grade fuse holder provides reliable overcurrent protection in demanding marine environments where vibration, moisture, and high electrical loads are constant challenges. The isolated stud design and protective cap ensure safe, long-lasting performance.