- Compact, high-amp fuse—appropriate for DC Main, inverter, windlass, and bow thruster circuit protection
- Provides high current protection in tight space constraints
- Ignition protected when used with Blue Sea Systems’ MRBF Terminal Fuse
- Isolated stud design uses standard M8 hardware and permits stacking of terminals
- Insulating cap prevents accidental shorts
- Accepts 5∕16″ ring terminals
- Mounts on 3/8” terminal studs
- Fuse sold separately
Blue Sea 5191 MRBF Terminal Fuse Block – 30 to 300A
Compact, high-amp rated MRBF fuse holder. Designed to mount direct to batteries, busbars, and other devices with 3/8″ posts for easy installation. Rated for 300A maximum. MRBF Fuses sold separately.
In stock
Order now, ships tomorrow
Tech Support
USA based
Same-Day Shipping
Most orders placed before 1:00 PM on business days ship same day from our California warehouse. Expedited overnight and 2-day options available at checkout.
Returns & Warranty
We offer a 30-day return policy for unused items in original packaging. Manufacturer warranties apply to all products.
Not sure this is the right product?
Our USA-based technical team can help you size your system. Mon-Fri 8AM to 4:00PM PST.
-
Blue Sea 2314 Common 100A Mini BusBar - 5 Gang with Cover
-
Blue Sea 7622B ML-ACR Automatic Charging Relay with Manual Control - 12V DC 500A
-
Blue Sea 2300 Common 150A BusBar - 10 Gang with Cover
-
Blue Sea 7748 SafetyHub 150 Fuse Block
-
Blue Sea 7725 SafetyHub 100 Fuse Block
-
Blue Sea 7921 Air Brake Compressor - Vertical Mount
-
Blue Sea 5032 ST Blade Split Bus Fuse Block (12 Circuits)
-
Blue Sea 2146 SPDT Remote Control Contura Switch - ON-OFF-ON
-
Blue Sea 2315 Common 100A Mini BusBar - 4 Gang with Cover
-
Blue Sea 5028 ST Blade Fuse Block - 6 Circuits with Cover
