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Blue Sea Systems Fuse Block 7720

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AMI/MIDI Safety Fuse Block 7720 - Blue Sea Systems

Product Condition: NEW
Blue Sea Systems Fuse Block 7720
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

SSL Cerficate

The Blue Sea Systems AMI/MIDI Safety Fuse Block 7720 is designed for all PowerBar 1000 Terminal Studs 1990, 1991, 1992 and 1993. NOTE: Fuse sold separately.



  • One-piece stainless flange nuts ensure safe and secure connections
  • CE marked
  • Meets ISO 8846 and SAE J1171 external ignition protection requirements when cover is secure
  • IP66 – protected against powerful water jets (see inside back cover)
  • Ignition protected - Safe for installation in vehicles where gasoline vapors may be present, including boats
  • Sealed cover protects fuses from the harsh marine environment
  • Insulating cover satisfies ABYC/USCG insulation requirements
  • Cover breakouts allow wire access in any direction
  • 200A maximum with 4/0 cable
  • Accepts Blue Sea Systems Square Format standard or custom label
  • Fuses sold separately
  • Lifetime replacement warranty



  • Part No.: 7720
  • Maximum Amperage: 200A
  • Maximum Voltage: 32V DC
  • Recommended Screw Torque: 27 in-lb (3.05 N·m)
  • Recommended Stud Torque: 120 in-lb (13.56 N·m)
  • Terminal Screw: M5
  • Terminal Stud Size: 5/16" (M8)
  • Weight: 0.15lb (0.07 kg)
  • Dimensions: See image #5

Additional Information

Product Condition NEW
upc 632085077204

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