Sierra FS84140 Marine Battery Fuse Holder 75A with Protective Cap

The Sierra FS84140 is a marine-rated battery fuse holder designed to provide critical circuit protection directly at the power source. This 75-amp fuse holder mounts securely 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 short circuits
• Compact footprint ideal for tight engine compartments and battery boxes
• Supports up to 300A maximum amperage capacity
• Clear fuse window provides easy visual fault indication
• Meets ABYC requirements for DC main circuit protection on large battery banks

Perfect for protecting DC main circuits, bow thrusters, inverters, and windlass systems. The high-interrupt rating and marine-grade construction make this fuse holder an essential safety component for any marine electrical system. The isolated stud design ensures proper circuit protection while maintaining flexibility for complex wiring configurations.