Blue Sea Systems 5028 ST Blade Fuse Block – 6 Circuits, 100A, with Cover

Overview

The Blue Sea Systems 5028 ST Blade Fuse Block is a compact, high‑performance DC power distribution panel designed for modern electrical systems where space is precious and reliability matters. It consolidates six individual DC branch circuits in a single, rugged package, making it well suited for boats, RVs, and mobile installations where clean wiring and dependable protection count.

Six fused circuits for organized protection

Each circuit can be fused separately with standard ATO or ATC fuses, giving targeted protection for loads such as lighting, pumps, navigation gear, radios, chargers, and sensors. The layout reduces wiring clutter and helps pinpoint issues quickly through clearly separated loads.

• Six fused outputs provide dedicated protection for six loads
• 100A block rating with up to 30A per circuit for higher‑demand applications
• Compatibility with standard ATO/ATC fuses ensures easy sourcing
• Clear insulating cover with spare fuse storage and label recesses
• Positive distribution bus with #10‑32 stud input for a clean power path
• Durable tin‑plated copper buses and fuse clips resist corrosion and vibration

Durability and ease of use

Built for environments where salt air, vibration, and movement are common, the 5028 ST combines sturdy copper buses with a reliable fuse clip system. The clear cover protects terminals from debris and accidental contact, while the integrated spare fuse storage supports quick maintenance. Recessed label areas help you quickly identify circuits during routine checks or future upgrades.

• Tin‑plated copper buses deliver dependable conductivity
• Fuse clips are designed to stay secure under vibration
• Spare fuse storage keeps replacements within reach
• Recessed label areas simplify circuit identification

Ideal applications

Compact, powerful, and versatile, this fuse block is a great fit for marine electrical systems, RV power distribution, off‑road vehicles, utility trucks, and custom automotive setups where space is at a premium and reliable DC protection matters. It offers a clean, professional solution for distributing power across multiple loads without sacrificing space or ease of service.

Notes on capacity and compatibility

The block is rated for up to 100A total and supports up to 30A per circuit when used with standard fuses. For best results, follow installation guidelines suitable for your vessel, vehicle, or chassis and pair it with correctly rated fuses and adequate wiring practices.