5191 Blue Sea Systems 5191 Fuse Block for Terminal Fuse



  • New isolated stud design uses standard M8 (5/16 inch) 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 inch or 3/8 inch ring terminal


  • Maximum Voltage - 58 Volts DC
  • Maximum Amperage - 300 Amperes DC
  • Terminal Stud - M8 (5/16 inch)
  • Recommended Torque - 75 in-lbs Maximum
  • Fuses Available - 30-300 Amperes DC

Installation Sheets: (click link below to view)

Mounting Diagram
Dimensioned Drawing

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