Description
Watson’s StreetWorks BD-300-X 300 Amp Battery Disconnect Switch
Stop burning out cheap switches. This is the heavy-duty disconnect you need for high-amperage stereo systems, winches, or diesel trucks. It’s built to handle a continuous 300-amp load and a massive 2,500-amp surge. We’ve seen smaller units fail and leave customers stuck. This one won’t.
The sealed, weatherproof housing (5” x 3 ¾” x 2”) lets you mount it anywhere—under the hood, in the trunk, or under the dash. The terminals fit oversized 0-gauge cable and larger. A built-in bypass circuit maintains memory for your ECU, radio, and clocks. It also includes a wire for an optional status light so you know it’s on.
Choose your style: BD-300-T with a toggle switch or BD-300-R with a round rocker. Both are $269.00. Kit includes the switch, all hardware, and instructions. For security or simple power cutoff, this is the reliable part we install and trust.
Price: $295.90


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