Product Description
Blue Sea Systems ST Blade Fuse Block – 12 Circuit with Negative Bus & Cover – SKU 5026
Organized, Code-Compliant DC Circuit Protection for Marine, RV, and Off-Grid Systems
The Blue Sea Systems 5026 ST Blade Fuse Block offers reliable, centralized circuit protection with space for up to 12 fused DC circuits, an integrated negative bus, and a snap-on cover for enhanced safety. Built to handle harsh marine and mobile environments, it’s the ideal solution for distributing and protecting multiple low-voltage circuits in boats, RVs, trucks, off-grid cabins, and more.
The 5026 accepts standard ATO/ATC blade fuses, providing simple troubleshooting and replacement with industry-standard components. It also features positive identification labels, easy wiring access, and rugged corrosion-resistant materials.
Key Features
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12 Independent Circuits
Organize and protect up to 12 DC loads from a single fuse block. -
Integrated Negative Bus
Provides a dedicated return path for each circuit, reducing clutter and simplifying installation. -
Clear Snap-On Cover
Includes labeling recesses and protects terminals from accidental shorts and corrosion. -
Standard ATO/ATC Blade Fuse Compatibility
Accepts common automotive-style fuses for easy sourcing and replacement. -
Marine-Grade Construction
Tin-plated copper buses and stainless steel hardware resist corrosion and ensure long-lasting connections in humid or salt-prone environments. -
Built-In Fuse Status Indicators
Optional LED indicators (when used with appropriate fuses) help quickly identify blown circuits.
Technical Specifications
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Circuits: 12
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Max Amperage per Circuit: 30A
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Max Total Amperage: 100A
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Voltage Rating: 32V DC Max
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Fuse Type: ATO/ATC blade fuses (not included)
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Ground Bus Rating: 100A
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Negative Bus Terminals: 12
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Cover Included: Yes
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Mounting Type: Surface mount
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Dimensions: 3.52" W x 6.31" L x 1.88" H
Ideal Applications
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Marine DC electrical panels
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RV power distribution systems
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Auxiliary vehicle electronics
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Off-grid solar/battery systems
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Commercial truck and trailer installations
