Blue Sea Systems SafetyHub 150 Fuse Block - 7748Blue Sea Systems SafetyHub 150 Fuse Block 7748 An ignition protected fuse block with screw termination safe for use on gasoline powered boats Accepts four AMI or MIDI Fuses for high amp circuits up to 200A Accepts six ATO or ATC Fuses for circuits up to 30A including bilge pumps, electronics and lights Sealed cover protects fuses from the harsh marine environment and satisfies ABYC USCG insulation requirements Negative bus provides common location for