Blue Sea Systems 5196 MRBF Surface Mount Fuse Block – Common Source

SKU: BSS-5196

Fuse block with 3 slots for 3 different fuses, able to properly push power through up to 3 different loads. The small size allows for easy installation into tighter spaces with the ability to have all wires come out on a single side.


5 in stock




This fuse block is capable of hooking up to batteries, panel feeds, windlasses, and/or thrusters. With 3 slots for up to 3 fuses, it can safely power all three connections from a single power source. It is also ignition-protected, meaning it can be used in marine engine compartments and fuel tank spaces. It is designed to be used in mobile applications such as RVs or boats.


  • Accommodates three MRBF fuses for consolidated high-amperage circuit protection
  • Safely provides power to three loads from a single source
  • Clip-on insulating cover satisfies ABYC/USCG insulation requirements
  • Versatile wiring options allow all wires to come out on a single side
  • Label recesses accommodate Blue Sea Systems square format labels for easy circuit identification
  • One-piece stainless flange nuts ensure safe, secure connections
  • Works with the MRBF Terminal Fuse (sold separately)

Recommended Accessories:

Additional information

Max Amperage

300A per block, 240A per circuit

Max Voltage

58 VDC


Surface Mount M5 (#10)

Max Torque

100 in-lb

Terminal Stud Size

M8 (5/16"-18)


1.2 lbs


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