Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover
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Estimated Delivery:Aug 30 - Sep 03
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Free Shipping: On all orders over $150
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Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover
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Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover
Blue Sea 5056 ST-Blade Water Resistant Fuse Block offers superior circuit protection tailored for marine and automotive applications. Designed to withstand harsh environments, this compact fuse block ensures that your ATO/ATC fuses and circuit breakers remain safe and functional.
Key Features:
- Water-Resistant Design: Constructed to provide reliable protection against moisture, featuring standard ring or fork-type terminals for easy wiring.
- Versatile Compatibility: Accepts a wide range of wire sizes and includes three wire plugs to maintain its water-resistant rating when less than four loads are used.
- Compact & Efficient: Nests with other ST-Blade Fuse Blocks and bus bars, optimizing space while ensuring a neat installation.
Ideal for boaters, automotive enthusiasts, and DIYers, this fuse block is supported by Blue Sea's commitment to quality, ensuring satisfaction in every application.
Experience peace of mind and enhanced functionality with the Blue Sea 5056 ST-Blade Water Resistant Fuse Block—the perfect choice for reliable circuit protection!

5056 ST-Blade Water Resistant Fuse Block with Cover
Provides water-resistant circuit protection for ATO/ATC fuses & circuit breakers in a compact footprint. The single side nesting design allows for wire entry from one side to maximize space.
Features:
- Water-resistant design with standard ring or fork type terminals allows for simple wiring with standard tools
- Accepts a wide range of wire sizes
- Includes 3 wire plugs to maintain water resistant rating if less than 4 loads are required
- Accepts ATO and ATC fast-acting blade fuses
- Accepts ATO/ATC-Style Low Profile Circuit Breakers
- Nests with other ST-Blade Water-Resistant Fuse Blocks and Water-Resistant 100A Bus Bars to reduce wire
- Insulating cover meets ABYC/USCG insulation requirements
- Tin-plated copper busses and fuse clips
- Includes four write-on circuit labels
- Small format standard and custom labels available
- Spare fuse and fastener storage in cover
Specifications:
- 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: (1) 8 AWG to 4 AWG - Input/(5) 16 AWG to 10 AWG - Load
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 go to P65Warnings.ca.gov.
Shipping Policy
Thank you for choosing Outdoors.Supply. We aim to deliver your gear efficiently and reliably.
Carriers
We ship all orders via UPS Ground or FedEx Ground, depending on availability and destination.
Shipping Rates
- Orders under $150: Flat shipping rate of $15
- Orders $150 and above: Free shipping
Note: A handling fee of $7.50 may apply to certain items. If applicable, it will be clearly stated during checkout.
Order Processing
- Orders placed before 12:00 PM ET (Monday–Friday): Processed the same business day
- Orders placed after 12:00 PM ET or on weekends/holidays: Processed the next business day
Delivery Time
All orders are delivered within 3–7 business days from the date of shipment, depending on your location.
For any questions or concerns about your order, please contact us at [hello@outdoors.supply]. We’re here to help!
Discover more in our FAQ
How long does it take to process an order?
All orders are processed the same business day if placed before 12 PM EST. Orders placed after 12 PM EST are processed the following business day.
Do you ship internationally?
No! Currently we are only supporting shipments to contiguous United States. We do not ship to PO Boxes or Internationally.
What is your return policy?
No Returns
Due to the nature of our products and our commitment to ensuring the highest quality standards, we do not accept any returns under any circumstances.
No Refunds
We do not offer refunds for any reason, including but not limited to:
- Change of mind
- Incorrect size or style ordered
- Delayed shipping
- Product dissatisfaction
Please refer to our Refund Policy
What are your sizing options?
We have a size chart displayed on most products to reflect the sizing as accurate as possible. Please review the size chart and ensure you are leveraging the closest size possible.
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Why You'll Love Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover
Premium Quality
Blue Sea Systems is known for exceptional quality and attention to detail in every product.
Fast Shipping
Fast and reliable shipping to get your Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover to you quickly.
Satisfaction Guarantee
Backed by our comprehensive warranty for complete peace of mind.
Expert Support
Our dedicated support team is here to help with any questions about Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover.