Fuses-&-Fuse-Accessories > Fuse-Holders-&-Fuse-Adapters

Marine Rated Battery Fuse Blocks - 58V DC, 300 Amp

Our weatherproof terminal fuse blocks can withstand many harsh environment conditions. The red santoprene covers, also known as insulating caps, prevent accidental shorts.


  • Voltage Max: 58VDC. Amperage Max: 300A.
  • Housing & Cover: UL-rated 94V0 Thermoplastic.
  • Ring Terminals: Tin Plated.
  • Terminal Stud Size: M8.
  • Mounting Hole: 3/8".
  • SAE J1171 ignition protected.
  • Fuses sold separately; use with fuse parts 78976 to 78989.
  • Hardware not included.
Item Description Price
1+ I Ext. Price I 20+ Ext. Price I I 50+ Ext. Price I
Qty in
Package
In Stock Add to Cart
78990 Eaton Bussmann CFBAR1-M8XSP, MRBF Terminal Fuse Holder, 1 Fuse, 300 Amp, 58V
16.21800 16.22 I 14.97600 14.98 I 13.04100 13.04
1 EA
78991 Eaton Bussmann CFBAR2-M8XSP, MRBF Terminal Fuse Holder, 2 Fuse, 300 Amp, 58V
14.98700 14.99 I 13.51700 13.52 I 11.41600 11.42
1 EA
78992 Eaton Bussmann CFCOVER-1R, MRBF Red Santoprene Cover for Single Stud Holder
1.86300 1.86 I 1.60400 1.60 I 1.26300 1.26
1 EA Call
78993 Eaton Bussmann CFCOVER-2R, MRBF Red Santoprene Cover for Double Stud Holder
1.89400 1.89 I 1.54200 1.54 I 1.20100 1.20
1 EA

Blue Sea Systems Marine Rated Battery Fuse Blocks - Independent Source

This Blue Sea Systems marine rated surface mount fuse block accommodates three MRBF fuses for consolidated high amperage circuit protection. The independent source fuse block is ideal for 3 output battery chargers. The clip-on cover insulates terminal connections. Versatile wiring options allow all wires to come out a single side. Label recesses provide easy circuit identification. One-piece stainless flange nuts ensure safe and secure connections. Ignition protected when used with MRBF fuses.


  • Voltage Max. Operating: 58V DC
  • Amperage Max. Operating: 240A per Circuit
  • Terminal Stud Size: M8: 5/16"-18
  • Surface Mount M5 (#10)
  • Marine rated battery fuses sold separately.
  • Meets SAE J1171 external ignition protection requirements.
Item Description Price Qty in
Package
In Stock Add to Cart
78921 Blue Sea Systems 5194, MRBF Surface Mount Fuse Block, Independent Source, 5/16"-18 Studs, 240 Amp 62.09 1 EA Call

Blue Sea Systems Marine Rated Battery Fuse Blocks - Common Source

This Blue Sea Systems marine rated surface mount fuse block accommodates three MRBF fuses for consolidated high amperage circuit protection. The common source fuse block provides 3 loads from a single source. The clip-on cover insulates terminal connections. Versatile wiring options allow all wires to come out a single side. Label recesses provide easy circuit identification. One-piece stainless flange nuts ensure safe and secure connections. Ignition protected when used with MRBF fuses.


  • Voltage Max. Operating: 58V DC
  • Amperage Max. Operating: 240A per Circuit
  • Terminal Stud Size: M8: 5/16"-18
  • Surface Mount M5 (#10)
  • Marine rated battery fuses sold separately.
  • Meets SAE J1171 external ignition protection requirements.
Item Description Price Qty in
Package
In Stock Add to Cart
78922 Blue Sea Systems 5196, MRBF Surface Mount Fuse Block, Common Source, 5/16"-18 Studs, 240 Amp 62.09 1 EA
Prop65 Warning