Blue Sea 7138 187 - Series Thermal Circuit Breaker - 40Amp [7138] Brand_VDO Speaker Mic: Yes

Speaker Mic: Yes

optimal true sound

It aligns your boat bow to its actual orientation so you know where you are casting according to your chartplotter screen

Mounting Style: Portable

30-Watt Loudhailer

Blue Sea 7138 187 - Series Thermal Circuit Breaker - 40Amp [7138] Brand_VDO Speaker Mic: Yes187 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