Product Overview
Fuse Block STBlade H2O 4circ fuse

Keep your vital onboard electronics safe and dry with the Blue Seas Fuse Block STBlade H2O 4circ fuse. This compact, water-resistant fuse block provides reliable circuit protection for your ATO/ATC fuses and circuit breakers, ensuring smooth sailing and peace of mind on the open water. Built with robust tin-plated copper and designed for various wire sizes, this fuse block is engineered to withstand the harsh marine environment, offering superior performance and longevity.
Key Features
- **Water-Resistant Design:** IP66 rated protection against heavy seas and powerful water jets, safeguarding your electrical system.
- **Versatile Compatibility:** Accepts ATO/ATC fuses and ATO/ATC-style low-profile circuit breakers for flexible circuit protection.
- **High Amperage Capacity:** Handles 80A per block and 25A per circuit, suitable for a range of onboard electronics.
- **Durable Construction:** Tin-plated copper C11000 bus and fuse clips ensure reliable performance and corrosion resistance.
- **Easy Installation:** Clearance for 1/4" (6mm) screws and #8-32 screw terminals with captive star lock washers simplify wiring.
- **Wide Wire Range Compatibility:** Accommodates 8 AWG to 4 AWG input wires and 16 AWG to 10 AWG load wires.
- **Space-Saving Design:** Compact footprint allows for flexible placement and efficient use of limited space.
- **Manual Cover (5056100):** Features wing-screws for tool-free access and meets ABYC/USCG compliance for panel boards.
Specifications
The Captain's Take
After years navigating challenging waters, I've learned the importance of reliable electrical systems. The Blue Seas Fuse Block STBlade H2O provides that essential peace of mind. Its robust, water-resistant design stands up to the toughest conditions, protecting critical circuits and ensuring smooth operation. Easy to install and compatible with a variety of fuses and breakers, this is a must-have for any serious boater.