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Blue Sea 40A ANL Fuse
Blue Sea 40A ANL Fuse
Silver-Plated Slotted Blades with Clear Blown-Fuse Window
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$43.25
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DESCRIPTION
Reliable Overcurrent Protection for DC Electrical Systems
The Blue Sea 40A ANL Fuse provides critical overcurrent protection for main battery feeds, sub-distribution panels, and moderate-draw DC equipment. Engineered specifically for demanding marine, automotive, and off-grid solar installations, this fuse interrupts fault currents before they can damage sensitive electronics or compromise cable insulation. Whether you are wiring a 12V dual-battery setup in a 4WD, protecting a DC-DC charger in a caravan, or safeguarding a boat's house battery bank, an industry-standard ANL fuse is an essential component for system safety.
Engineered for Harsh Environments
Electrical connections in mobile and marine applications are constantly exposed to moisture, salt spray, and mechanical vibration. Inferior fuses often suffer from surface oxidation on the blades, which increases electrical resistance, generates excess heat, and leads to premature nuisance blowing or voltage drop. This Blue Sea Systems fuse addresses these challenges by utilising silver-plated connector blades. Silver plating maintains superior conductivity over time and offers exceptional resistance to corrosion in coastal and humid environments.
The main body is constructed from a durable, heat-resistant, glass-reinforced laminate. This insulated housing provides structural rigidity and thermal stability when the circuit is operating near its continuous rating, reducing the risk of housing deformation during high-load scenarios.
Key Features and Benefits
- Silver-Plated Slotted Terminals: Provides high conductivity and superior corrosion resistance while allowing installation onto fuse block studs without completely removing the securing nuts.
- Clear Inspection Window: Offers an immediate visual indication of a blown fuse link, simplifying fault diagnosis in dark or confined electrical lockers.
- Heat-Resistant Laminate Body: Glass-reinforced housing withstands the thermal stresses of continuous electrical loads and high ambient engine bay or cabin temperatures.
- Standard ANL Footprint: Designed for seamless compatibility with Blue Sea Systems ANL fuse blocks and other standard ANL holders.
Practical Installation and Maintenance
Troubleshooting an electrical fault at a remote campsite or out on the water requires components that are easy to inspect and service. The integrated clear window sits directly over the fusible link, allowing installers and system owners to verify circuit status at a glance without needing a multimeter to check for continuity. Furthermore, the fork-style slotted terminal blades streamline both initial fitment and field replacements. Instead of fully unthreading locknuts and risking dropped hardware in a bilge or tight canopy space, you can simply loosen the terminal studs on your ANL fuse block and slide the fuse into position.
Typical Applications for a 40A Rating
A 40A fuse rating is widely used across 12V, 24V, and 48V DC architectures to protect intermediate gauge wiring and dedicated appliance circuits. Common applications include:
- Primary input or output protection for DC-DC battery chargers and MPPT solar charge controllers
- Safeguarding feeds to secondary blade fuse blocks or marine switch panels
- Protecting medium-duty air compressors, pumps, and small DC appliances
- Main circuit protection for smaller auxiliary battery banks in camper trailers and service bodies
Secure Your Circuit Protection
Select the Blue Sea 40A ANL Fuse to pair with your ANL fuse block for dependable, corrosion-resistant circuit protection across your marine, RV, or off-grid power system.
SKU: BS-5165B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Product type | Fuse |
| Fuse type | ANL |
| SKU: | BS-5165B |
| Model #: | BS-5165B |
| MPN: | BS-5165B |
| 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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