Blue Sea Systems 5191 Terminal Fuse Block for High-Current Marine and RV Applications

Terminal Fuse Black

• New isolated stud design uses standard 5/16" hardware and permits stacking of terminals
• Compact, high-amp fuse-Appropriate for DC Main, inverter, windlass, and bow thruster circuit protection
• Provides high current protection in tight space constraints
• Weatherproof-suitable for small open-cockpit boats and other harsh environments
• Insulating cap prevents accidental shorts
• Use 5/16" or 3/8" ring terminal

Specifications

• Ignition Protected: No
• Maximum Amperage: 300a
• Maximum Voltage: 58v DC
• Terminal Stud: M8 (5/16")
• Maximum Torque: 75 in-lb

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Blue Sea Systems 5191 Terminal Fuse Block is designed to provide reliable high-current protection for DC circuits in marine, RV, and harsh environments. Featuring an innovative isolated stud design, this fuse block accommodates standard 5/16" hardware and allows stacking of multiple terminals for streamlined wiring configurations. Its compact construction makes it ideal for tight spaces such as engine compartments, control panels, and open-cockpit boats, where space is at a premium. Built with weatherproof materials, it withstands moisture, salt, and other challenging conditions common in marine and outdoor applications.
The fuse block supports high amperage loads up to 300 amps at a maximum voltage of 58V DC, making it suitable for main power feeds, inverters, windlasses, and bow thruster circuits. An insulating cap is included to prevent accidental shorts, enhancing safety during maintenance and operation. The terminal stud is M8 (5/16"), compatible with ring terminals of 5/16" or 3/8" size, providing versatile wiring options. This fuse block is not ignition protected but offers dependable overcurrent protection in demanding environments. Its robust construction and thoughtful design ensure long-term durability and safety, making it an essential component for electrical systems requiring high current capacity and reliable circuit protection.
Whether used on boats, RVs, or industrial equipment, the Blue Sea Systems 5191 Terminal Fuse Block offers a secure and efficient way to manage high-current circuits while maintaining safety and ease of installation.

Features:

• Isolated stud design with stacking capability for flexible wiring configurations

• Compact construction suitable for tight spaces in marine and outdoor applications

• High amperage capacity up to 300 amps at 58V DC for main circuit protection

• Weatherproof design resistant to moisture, salt, and harsh conditions

• Insulating cap prevents accidental shorts during maintenance

• Compatible with 5/16" or 3/8" ring terminals for versatile wiring options

• M8 (5/16") terminal stud for secure connections

• Maximum torque of 75 in-lb ensures proper installation and reliable contact