Solar Panels
Solar Controllers
Batteries
Inverters
Mains Chargers
DC-DC Chargers
Cables/Accessories
Power Converters
Monitoring
Kits
By Application
By Brand
Blue Sea 200A ANL Fuse
Blue Sea 200A ANL Fuse
Silver-Plated Copper Blades & Visual Inspection Window for DC Systems
Regular price
$43.25
Availability:
Special Order
View all products from Blue Sea
Guaranteed Safe and Secure Checkout
0
DESCRIPTION
Heavy-Duty 200A DC Circuit Protection for Marine, 4WD, and Off-Grid Power Systems
Safeguarding high-current electrical setups requires dependable, purpose-built overcurrent protection. The Blue Sea 200A ANL Fuse (BS-5129B) is engineered to protect critical DC circuits, heavy-gauge cabling, and high-draw equipment from damaging short circuits and sustained overloads. Designed specifically for integration with compatible ANL fuse blocks, this 200A fuse serves as a vital safety barrier in demanding automotive, marine, caravan, and off-grid solar installations.
Unlike unbranded alternatives that can suffer from poor tolerances, voltage drop, or premature failure under sustained loads, Blue Sea Systems components are built for electrical stability and durability. When operating high-draw appliances such as power inverters, DC-to-DC chargers, bow thrusters, or winches, using a properly rated, high-conductivity ANL fuse reduces the risk of thermal runaway and protects your primary battery bank.
Engineered for Conductivity and Corrosion Resistance
At the core of the BS-5129B is a heavy-duty, silver-plated copper connection blade. High-current DC systems are particularly susceptible to resistance at connection points, which generates unwanted heat and reduces system efficiency. The silver-plated copper construction ensures high electrical conductivity while providing superior resistance to corrosion. This makes the fuse exceptionally well-suited to harsh Australian conditions, including high-humidity coastal environments, marine vessels, and dusty off-road touring rigs.
- Silver-Plated Copper Blades: Delivers high conductivity and resists corrosion in marine and mobile environments.
- Clear Mica Inspection Window: Allows for an immediate visual check of the internal fuse element to quickly identify a blown circuit.
- Heat-Resistant Insulating Body: Constructed from a durable mica-composite material to support safe operation under heavy electrical loads.
- Forked Terminal Design: Slotted metal terminals allow for straightforward slide-in installation and replacement on compatible ANL fuse holders without needing to completely remove the mounting nuts.
Practical Design for Rapid Diagnostics and Maintenance
Troubleshooting a complex 12V, 24V, or 48V electrical system in the field requires components that are easy to inspect and service. This ANL fuse features a central clear mica window, offering a direct view of the internal fusible link. If a fault occurs in your system, you can visually confirm the status of the fuse element at a glance without immediately needing a multimeter.
When a replacement is required, the forked terminal blades streamline the maintenance process. Rather than fully disassembling the stud hardware on your ANL fuse block and risking dropped washers or nuts in tight engine bays or battery compartments, the slotted ends allow the fuse to slide directly into place once the terminal nuts are loosened.
Ideal Applications for 200A ANL Protection
Selecting the correct amperage rating is essential for matching the current-carrying capacity of your cabling and the requirements of your downstream devices. A 200A rating is commonly utilised across a variety of heavy-duty DC applications:
- Inverter Protection: Safeguarding main positive supply cables running to medium-to-large pure sine wave inverters in caravans, motorhomes, and off-grid cabins.
- Auxiliary Battery Systems: Acting as the primary main fuse for high-output dual battery setups, lithium battery banks, and high-amperage alternator charging circuits.
- Marine Electrical Systems: Protecting heavy-duty DC sub-panels, windlasses, and thruster circuits aboard boats and yachts.
- 4WD and Commercial Vehicles: Providing reliable overcurrent protection for high-draw 12V accessories, hydraulic pumps, and recovery equipment.
Complete Your Circuit Protection Setup
Ensure your electrical system is protected against unexpected faults and overloads. Pair the Blue Sea 200A ANL Fuse with a matching Blue Sea Systems ANL fuse block and appropriately sized battery cable to build a safe, compliant, and resilient power distribution system for your next installation.
SKU: BS-5129B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Product type | Fuse |
| Fuse type | ANL |
| SKU: | BS-5129B |
| Model #: | BS-5129B |
| MPN: | BS-5129B |
| Package weight: | 0.036 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
Loading product documents…