Blue Sea 6004 Single Circuit ON-OFF w/Locking Key - Red

The Blue Sea 6004 Single Circuit ON-OFF w/Locking Key – Red is a heavy-duty battery disconnect switch designed for marine, automotive, and off-road applications where reliable power isolation is essential. This switch is particularly useful for customizing project vehicles, installing aftermarket electrical systems, or preventing parasitic battery drain in parked vehicles.

Engineered by Blue Sea Systems, the 6004 features a robust mechanical design with a locking key mechanism that prevents accidental or unauthorized reconnection of power. The bright red housing ensures high visibility, making it easier to identify during troubleshooting. Its design is intended to provide dependable circuit control, but users should verify compatibility with their specific electrical systems.

Mechanics and vehicle enthusiasts appreciate the Blue Sea 6004 for its ability to isolate auxiliary batteries and manage power distribution in custom builds. Its compact size allows for installation in various locations, although users should consider the dimensions when planning their setup. This switch serves not only as a safety device but also as a theft deterrent for valuable vehicles.