Blue Sea - Blade Compact Fuse Block

Blue Sea Systems ST Blade Compact Fuse Blocks

The Blue Sea Systems ST Blade Compact Fuse Blocks provide reliable surface-mount circuit protection for ATO/ATC fuses in a space-saving design. Built for marine and vehicle electrical systems, these fuse blocks meet ABYC/USCG standards and offer ignition protection when the cover is secured—making them safe for installation in gasoline engine compartments.

Their single-side wire entry minimizes footprint while maintaining easy access for wiring and labeling. Each block includes write-on circuit labels and uses tin-plated copper buses and fuse clips for maximum corrosion resistance and long-term reliability.

Features:

• Compact, ignition-protected design for 12/24V DC systems

• Rated 30A per circuit and 100A per block (32V DC max)

• Accepts ring or snap-fork terminals

• Tin-plated copper bus bars and fuse clips

• Includes write-on circuit labels

• Fuses sold separately

Available Models:

• 5045 – 4 Circuits: Compact 4-circuit fuse block ideal for smaller electrical systems or limited-space installs.

• 5046 – 8 Circuits: Eight-circuit version for larger electrical layouts needing expanded fuse capacity in the same compact footprint.

Ideal For:
Marine, RV, and automotive applications requiring compact, ignition-protected ATO/ATC fuse distribution.