Sierra FS84210 Marine Battery Fuse Holder 200A MRBF Blue

The Sierra FS84210 is a marine-rated battery fuse holder designed to provide robust circuit protection directly at the battery source. This 200-amp MRBF (Marine Rated Battery Fuse) holder mounts directly onto the positive battery stud, delivering reliable overcurrent protection in harsh marine environments.

Key Features:

• Ignition protected when used with Sierra MRBF fuses for enhanced safety
• 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 exposure
• Compact footprint ideal for tight engine compartments and battery boxes
• 300A maximum amperage capacity for high-current applications
• Clear fuse window provides easy visual fault indication
• Meets ABYC (American Boat and Yacht Council) requirements for DC main circuit protection

This fuse holder is perfectly suited for protecting DC main circuits, bow thrusters, inverters, windlass systems, and large battery banks. The high-interrupt rating ensures safe operation even under fault conditions, while the isolated stud design provides flexibility for complex wiring configurations. Includes blue protective cap for easy identification and safety.