


⚓ Power up your marine setup with compact, stackable, weatherproof protection!
The Blue Sea Systems MRBF Terminal Fuse Block features a new isolated stud design using standard M8 hardware for easy terminal stacking. It provides compact, high-amp fuse protection ideal for DC main, inverter, windlass, and bow thruster circuits. Weatherproof and equipped with an insulating cap, it prevents accidental shorts and withstands harsh marine environments, making it a reliable choice for small open-cockpit boats.







| ASIN | B0019ZBTV4 |
| Best Sellers Rank | #66,519 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #129 in Fuses & Holders |
| Brand Name | Blue Sea Systems |
| Centerline Length | 2.4 Inches |
| Color | Single Fuse |
| Colour | Single Fuse |
| Connector Type | Screw |
| Connector type | Screw |
| Country Of Origin | USA |
| Current Rating | 300 Amps |
| Current rating | 300 Amps |
| Customer Reviews | 4.6 out of 5 stars 905 Reviews |
| Global Trade Identification Number | 00632085051914 |
| Item Dimensions W x H | 6.4W x 5.1H centimeters |
| Item Weight | 0.1 Pounds |
| Manufacturer | Blue Sea Systems |
| Material | Plastic |
| Material Type | Plastic |
| Model | 5191 |
| Mounting Type | Panel Mount |
| Mounting type | Panel Mount |
| Number Of Contacts | 10 |
| Number Of Poles | 1 |
| Number of Positions | 1 |
| Number of contacts | 10 |
| Part Number | 5191 |
| Specification Met | Sea |
| Temperature Range | -2E+1 Degrees Celsius |
| UPC | 632085051914 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 85 Degrees Celsius |
| Voltage | 58 Volts |
M**T
Neat arrgt. but pricey
T**S
Blue sea fuse blocks
A**R
Good battery level protection
P**W
Great Quality
E**T
Misleading picture and description - fuse missing on delivered item