Menu
Blue Sea Systems
  • Products
    • Power Conversion
      • Battery Chargers
      • USB Chargers
      • Connectors
      • Dimmers
      • Air Brake Compressors
    • Automatic Charging Relay
      • Non-Critical Load Disconnects
      • Automatic Charging Relays
    • Battery Switches
      • Manual Battery Switches
      • Battery Management Panels
      • Remote Battery Switches
    • Solenoids
      • L-Series
      • ML-Solenoids
    • BusBars and Insulators
      • BusBars
      • Terminal Blocks
      • PowerPost Connectors
      • Feed Through Connectors
      • Insulators
      • Cable Clams
    • Fuses and Fuse Blocks
      • Fuses
      • Fuse Holders
      • Fuse Blocks
    • Circuit Breakers
      • Push Button Reset-Only
      • Medium Duty
      • 285-Series
      • 187-Series
      • A-Series
      • C-Series
      • ELCI and GFCI
      • UL-489
      • ATO-ATC Style Low Profile
      • Marine Grade Short Stop
      • Surface Mount System
      • Circuit Breaker Blocks
      • Accessories
    • Panels
      • DC Panels
      • AC Panels
      • ACDC Panels
      • Custom Panels
      • Panel Accessories
      • Labels
    • Meters
      • Analog Meters
      • Digital Meters
      • OLED Digital Monitors
      • Mini OLED Digital Monitor
      • Clamp
      • Shunts
      • Accessories
    • Switches
      • Contura Switches
      • Toggle Switches
      • Rocker Switches
      • Push Button Switches
      • Rotary Switches
      • Accessories
  • Where to Buy
  • Support
    • Technical Help
      • Articles
      • Reference
      • Documents
    • System Diagrams
    • Marketing Materials
      • Catalog
      • Apparel
      • Posters
      • Product Guides
      • Sales Sheets
      • Product & Price Lists
      • Product Images
    • Newsroom
      • Press Room
      • Newsletters
      • News Releases
    • ABYC C7 Compliance
    • Warranty Registration
    • Authorized Internet Reseller Program
  • About Us
  • Circuit Wizard
  • Panel Wizard
  • Order Labels
    • Browse Labels
  • View Catalog

AMG® Safety Fuse Block

7721
Product Image
Where to Buy TECH Installer

Features

  • Ignition protected for installation aboard gasoline or diesel powered 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
  • 300A maximum with 4/0 cable
  • Accepts Blue Sea Systems Square Format standard or custom label
  • Fuses sold separately

Documents

Installation

jpg fileDimensioned Drawing

Articles

none fileThe Safety Fuse Blocks (AMI®/MIDI® and MEGA®/AMG®)

Videos

none fileSafety Fuse Block Video

Product Certificates

pdf fileCE Certificate for Safety Fuse Blocks

Specifications

Maximum Amperage 300A
Maximum Voltage32V DC
Stud SizeM8 x 1.25
Recommended Stud Torque120 in-lb (13.56 N·m)
Ring Terminal SizeM8 (5/16")
Weight0.15lb (0.07 kg)

Regulatory Specifications

CE Certified
Ignition Protected
IP66
ISO 8846
SAE J1171
UKCA (UK Conformity Assessed) marking

Optional Accessories

Any AMG Fuses

Works With

All PowerBar 1000

Similar Products

7720 AMI / MIDI Safety Fuse Block
7721 AMG® Safety Fuse Block
Subscribe to Newsletter Contact Us Our Product Guarantee
Privacy Policy Terms of Use Accessibility Statement
Facebook Twitter
©2006-2026 Blue Sea Systems