Sierra FS84110 Marine Battery Fuse Holder 40A with Protective Cap

The Sierra FS84110 is a marine-rated battery fuse holder designed to mount directly onto your positive battery stud, providing critical circuit protection right at the power source. This 40-amp fuse holder features a light blue color-coded design for easy identification and includes ignition protection when used with Sierra MRBF fuses.

Key Features:

• Bolt-down design engineered for high-vibration marine environments
• Standard isolated M8 stud design allows stacking of multiple terminals
• Protective insulating cap prevents accidental shorts and provides clear fault indication
• Compact profile ideal for tight engine compartments and battery boxes
• 300A maximum amperage interrupt rating meets ABYC requirements for DC main circuit protection
• Perfect for DC main circuits, bow thrusters, inverters, and windlass applications
• Clear fuse window provides instant visual fault indication

This marine-grade fuse holder is specifically designed for use on large battery banks requiring high-interrupt protection. The isolated stud design ensures safe, reliable connections while the bolt-down mounting provides secure installation even in rough seas. Essential safety equipment for any marine electrical system.