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Blue Sea 50A ANL Fuse
Blue Sea 50A ANL Fuse
Silver-Plated Copper Terminals & Clear Window for Marine/RV DC Systems
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$43.25
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DESCRIPTION
Reliable 50A Overcurrent Protection for Marine, 4WD, and Off-Grid DC Systems
The Blue Sea 50A ANL Fuse (SKU: BS-5122B) is engineered to provide dependable, high-capacity circuit protection for demanding electrical environments. Whether you are outfitting a marine vessel, upgrading a 4WD dual battery setup, or building an off-grid caravan power system, protecting your primary cables and high-draw appliances from short circuits and overloads is critical. This 50A fuse is designed specifically for integration with standard ANL fuse blocks, offering a robust defense against electrical faults in 12V, 24V, and 48V DC architectures.
Engineered for Harsh Environments
Unlike standard automotive fuses that can degrade rapidly when exposed to moisture, salt spray, or extreme engine bay temperatures, Blue Sea Systems builds components to withstand the rigours of marine and mobile applications. The terminal blades are constructed from high-conductivity copper and finished with durable silver plating. This silver-plated surface significantly reduces contact resistance, minimising voltage drop and heat build-up while providing exceptional resistance to corrosion in coastal and marine climates.
The main body of the fuse is constructed from a mica-reinforced material, selected for its superior structural durability and high heat tolerance. During an overcurrent event, the housing maintains its integrity, ensuring the fuse operates safely and predictably under load. Furthermore, a clear central inspection window is integrated directly into the body, allowing installers and system operators to visually confirm the status of the fuse element at a glance without needing to remove it from the block or test it with a multimeter.
Key Features and Benefits
- Silver-Plated Copper Terminals: Delivers high electrical conductivity and superior corrosion resistance for long-term reliability in marine and humid environments.
- Mica-Reinforced Body: Offers exceptional heat resistance and mechanical strength to withstand vibration and thermal cycling in vehicles and boats.
- Visual Inspection Window: Provides immediate, clear visual confirmation of a blown fuse to simplify system troubleshooting.
- Slotted Terminal Design: Features forked and slotted mounting blades for straightforward installation and replacement on compatible ANL fuse blocks without needing to fully remove the mounting nuts.
- Dedicated 50A Rating: Ideal for protecting medium-duty DC circuits, such as DC-DC chargers, small inverters, windlasses, and auxiliary distribution panels.
Why Upgrade to a Quality ANL Fuse?
In high-current DC systems, the fuse is the primary safeguard against catastrophic wire damage and potential thermal events. Inferior fuses often suffer from poor terminal plating and weak housing materials, leading to increased resistance, nuisance blowing, or failure to interrupt a fault cleanly. By utilising a purpose-built Blue Sea ANL fuse, you reduce the risk of high-resistance connections that rob your appliances of power and generate dangerous heat at the fuse block.
Please note that this product includes the 50A ANL fuse only; a compatible ANL fuse holder or block is required for installation and is sold separately. Always ensure your cable sizing matches or exceeds the 50A protection rating of this fuse.
Secure Your Electrical System
Ensure your auxiliary power setup is protected by industry-trusted hardware. Add the Blue Sea 50A ANL Fuse to your system configuration today for reliable, corrosion-resistant circuit protection on the road or on the water.
SKU: BS-5122B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Fuse Type | ANL |
| SKU: | BS-5122B |
| Model #: | BS-5122B |
| MPN: | BS-5122B |
| Package weight: | 0.024 kg |
| Package length: | 0.1 m |
| Package width: | 0.03 m |
| Package height: | 0.02 m |
WARRANTY
Blue Sea Warranty Policy
Blue Sea Systems products sold by us are supplied with a warranty against defects for the warranty period shown below, subject to the product type, application and the terms of this warranty policy.
The express warranty provided by us is limited to a maximum of 5 years from the original date of purchase, unless otherwise required under Australian Consumer Law.
Blue Sea Systems may offer longer manufacturer support on some products at their discretion
Warranty Lengths by Product Range
| Blue Sea Product Range | Warranty Length | Application / Notes |
|---|---|---|
| Most Blue Sea Systems Products | 5 years | Applies to most Blue Sea Systems products found to be defective in materials or manufacture. |
| P12 Battery Chargers | 5 years | Warranty period starts from the original date of purchase. |
| P12 Remote Displays | 5 years | Warranty period starts from the original date of purchase. |
| Digital Meters | 3 years | Warranty period starts from the original date of purchase. |
| Vessel System Monitors | 3 years | Warranty period starts from the original date of purchase. |
Warranty Assessment and Remedy
If a Blue Sea Systems product is found to be defective in materials or manufacture within the applicable warranty period, we will, at our discretion, arrange a repair, replacement, store credit or refund, depending on the nature of the fault and the requirements of Australian Consumer Law.
Products may need to be returned for assessment before a warranty claim can be approved. Where required, the product must be returned with dated proof of purchase and a clear description of the fault.
Labour costs for removing, replacing, reinstalling or diagnosing a product are not covered by this express warranty unless otherwise required under Australian Consumer Law.
Making a Warranty Claim
To make a warranty claim, please contact us with your dated proof of purchase, product details and a description of the fault.
The product may need to be returned for inspection before the claim can be assessed. If the product is confirmed to be faulty and covered by this warranty, we will advise the available remedy.
What This Warranty Does Not Cover
This warranty does not cover faults or damage caused by incorrect installation, incorrect application, misuse, abuse, neglect, unauthorised modification, accidental damage, normal wear and tear, environmental damage, or failure to use the product in accordance with the manufacturer's instructions.
- Incorrect installation or wiring
- Incorrect product selection or application
- Misuse, abuse or neglect
- Physical or accidental damage
- Water ingress or environmental damage outside the product's intended use
- Unauthorised modification or repair
- Normal wear and tear
- Labour costs for removal, replacement, reinstallation or diagnosis
- Freight, travel or call-out costs unless otherwise required by law
- Products not returned for assessment when reasonably required
Manufacturer Support
Blue Sea Systems may provide additional manufacturer support on some products beyond the warranty period listed above. Where available, we may assist customers in contacting the manufacturer, but any manufacturer support beyond the express warranty period is subject to the manufacturer's own terms and continued availability.
Australian Consumer Law
This warranty is in addition to other rights and remedies available at law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
DOCUMENTS
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