![Blue Sea 7138 187 - Series Thermal Circuit Breaker - 40Amp [7138] SWL 300 LBS A - 1 1/32 in](https://cdn.shopify.com/s/files/1/2785/3654/products/20558XL.jpg?v=1677884366)
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A - 1 1/32 in
Optimist Opti Tapered Mainsheet
U (in) - 6 1/4
B - 11/32" (8
It requires a stand-off upper bracket
Blue Sea 7138 187 - Series Thermal Circuit Breaker - 40Amp [7138] SWL 300 LBS A - 1 1/32 in187 Series Thermal Circuit Breakers Surface Mount 40 Amp Circuit Breaker PN: 7138 Features: Combines switching and circuit protection into a single device All components meet SAE J1171 external ignition protection requirements Clear, single lever operation "Trip Free" design cannot be held "ON" during fault current condition Waterproof Recessed mounting holes for clean appearance Large clearance around terminal studs accept heavy gauge wire lugs
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