Blue Sea 7748 SafetyHub 150 Fuse Distribution Block

The Blue Sea Systems SafetyHub 150 Fuse Block protects up to ten circuits, with four MIDI/AMI positions and six ATO/ATC positions, rated IP66.

Mixing fuse types in one block is the point. Four MIDI/AMI positions take high-current loads such as panel feeds, windlasses and stereo amplifiers. Six ATO/ATC positions handle smaller circuits including bilge pumps, electronics and lighting, so one block covers a whole distribution point rather than needing two.

A built-in negative bus gives a common return point, removing another separate component from the installation. The ignition-protected design meets Coast Guard and ABYC requirements, which is what allows it in a gasoline boat's engine space.

The sealed cover is rated IP66 against powerful water jets and includes write-on circuit identification, a fuse puller and storage for spare ATO/ATC and MIDI/AMI fuses. Carrying the spares inside the block is the detail that matters at sea. Coated fuse screws resist loosening over time. Fuses are sold separately. Explore more bus bars and power distribution.

• Four MIDI/AMI and six ATO/ATC positions in one block
• Covers heavy and light circuits without a second block
• Built-in negative bus for a common return
• Spare fuses and a puller stored in the cover