Blue Sea 5015 ST Glass Fuse Block w/Negative Bus

The Blue Sea 5015 ST Glass Fuse Block with Negative Bus is an essential component for any reliable marine electrical system, suitable for various vessels including center console fishing boats, cruising sailboats, and work vessels. This compact yet durable fuse block acts as the distribution hub for your boat's DC electrical circuits, safeguarding critical systems such as navigation electronics, cabin lights, bilge pumps, and engine instruments from electrical faults.

Designed by Blue Sea Systems, a trusted name among mariners, the 5015 ST features a glass fuse design with an integrated negative bus bar, streamlining your electrical layout by eliminating the need for separate ground distribution hardware. Its compact dimensions—4 inches by 2 inches by 8 inches and a weight of 0.6 pounds—make it ideal for retrofit installations and tight spaces. The ST-rated fuses provide reliable overcurrent protection, ensuring consistent power delivery to your electronics.

Boaters looking to upgrade from older fused systems or those constructing new electrical installations will find the Blue Sea 5015 ST to be a practical solution. Its modular terminal design accommodates multiple circuit branches, making wiring straightforward and efficient. This fuse block is suitable for both freshwater and saltwater applications, ensuring versatility in various marine environments.