DualBus Bus Bar

About this product

The Blue Sea Systems DualBus 100A BusBar is a compact common bus bar range that places positive and negative distribution on one block for cleaner wiring in a boat electrical system. It is rated for 100A continuous service, with maximum voltage ratings of 300V AC and 48V DC, so it fits common 12V and 24V DC installations while leaving room for systems up to 48V DC.

Each version uses #8-32 screw terminals and a tin-plated copper CDA 110 / UNS 11000 bus, with a UL 94-V0 rated glass-reinforced thermoplastic base. The layout is useful behind helm panels, inside consoles, in cabin electrical lockers, or near grouped equipment where both feed and return connections need to stay organized and easy to inspect.

Key Features

• DualBus layout combines positive and negative buses on one block to reduce wiring clutter in confined marine electrical spaces.
• 100A continuous rating supports small to mid-size branch circuit distribution points when installed with proper upstream circuit protection.
• Rated for up to 300V AC and 48V DC, covering common 12V and 24V boat systems.
• #8-32 screw terminals provide secure ring-terminal connections, with a specified screw terminal torque of 15 in-lb.
• Tin-plated copper CDA 110 / UNS 11000 bus material supports good conductivity in marine electrical installations.
• UL 94-V0 rated glass-reinforced thermoplastic base helps keep the block stable in protected electrical compartments.
• CE and UKCA marked for regulated installations where recognized product compliance matters.