Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover

The 5056 ST-Blade Water Resistant Fuse Block with Cover is an essential component for ensuring reliable and protected electrical systems on your boat. Designed specifically for marine environments, it offers superior water resistance and compact functionality, making it perfect for managing your vessel’s electrical circuits efficiently.

Key Features

• Water-Resistant Design: Protects against moisture and corrosive marine environments, ensuring long-lasting performance.
• Flexible Wiring: Equipped with standard ring or fork type terminals for easy and secure wiring using standard tools.
• Versatile Wire Sizes: Accommodates a wide range of wire sizes, providing flexibility for various marine applications.
• Expandable Configuration: Includes 3-wire plugs to maintain water resistance when fewer than four loads are needed.
• Compatible with ATO/ATC Fuses: Supports both ATO and ATC fast-acting blade fuses for effective circuit protection.
• Supports Low Profile Circuit Breakers: Compatible with ATO/ATC-Style Low Profile Circuit Breakers for enhanced safety.
• Nesting Capability: Easily nests with other ST-Blade Water-Resistant Fuse Blocks and Water-Resistant 100A Bus Bars to streamline wiring and save space.
• Marine-Grade Insulation: The insulating cover meets ABYC/USCG insulation requirements, ensuring safety and compliance.
• Durable Materials: Features tin-plated copper buss bars and fuse clips for corrosion resistance and durability in marine settings.
• Organized Labeling: Includes four writable circuit labels for easy identification and customization. Additional standard and custom labels are available.
• Storage Solutions: Offers spare fuse and fastener storage within the cover for convenience and organization.

Detailed Specifications

Attribute	Details
Amperage	80A per block / 25A per circuit
Maximum Voltage	32V DC
Bus Material	Tin-Plated Copper C11000
Mounting Holes	Clearance for 1/4" (6mm) screws
Screw Terminal Type	#8-32 Screws with captive star lock washer
Wire Size	Input: 8 AWG to 4 AWG Load: 16 AWG to 10 AWG
Fuse Type	ATO/ATC
Product Type	Fuse Blocks
Box Dimensions	3" H x 8" W x 8" L
Weight	0.65 lbs
UPC	632085050566

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.