Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50Amp Hull Protection No lights in any position

No lights in any position likely indicate there is no power to the panel

UPC : 7640178728820

-The clamping halves are held together with steel cap head screws

Multi-position cleat arm

Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50Amp Hull Protection No lights in any position187 Series Thermal Circuit Breakers Surface Mount 50 Amp Circuit Breaker PN: 7139 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