Description
Blue Sea 5139 40A MAXI Fuse | Boat Supply Store
Safeguard critical marine electrical circuits from damaging overcurrents with the Blue Sea 5139 40A MAXI Fuse, engineered specifically for the demanding marine environment. Its construction features tin-plated connector blades to mitigate galvanic corrosion, a common issue on saltwater vessels, and a clear, visible indicator to confirm blown conditions. This fuse is essential for protecting systems on offshore fishing boats or coastal cruisers, ensuring operational reliability.
Key Features
- Reliable 40 AMP MAXI Fuse protection
- Economical circuit safeguarding
- Corrosion-resistant tin-plated connector blades
- Visible blown condition indicator
- Marine-grade construction for longevity
- Durable component for harsh environments
- Essential for electrical system safety
- Easy fuse replacement
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 40 AMP |
| Fuse Type | MAXI |
| Connector Blades | Tin-plated |
| Blown Condition Indicator | Visible |
Who This Is For
Marine electricians and boat owners requiring dependable overcurrent protection for vessel electrical systems will find this fuse indispensable. DIYers undertaking electrical repairs or installations will benefit from its specific marine-grade features.
How It Compares
| Feature | Blue Sea 5139 40A MAXI Fuse | Competitor |
|---|---|---|
| Amperage Rating | 40A | 40A, 40A |
| Fuse Type | MAXI | MAXI, MAXI |
| Corrosion Resistance | Tin-plated connector blades | Standard metal blades, Standard metal blades |
| Blown Fuse Indicator | Visible indication | Visible indication, Visible indication |
Common Concerns Answered
Why do some users report fuses blowing prematurely?
Premature fuse blowing typically indicates a circuit overload exceeding the fuse's rated amperage (40A in this case) or a short circuit within the protected system, not a defect in the fuse itself.
Is the price higher than standard automotive fuses?
While potentially higher than generic automotive fuses, the Blue Sea 5139 justifies its cost through marine-grade features like tin-plated blades for superior corrosion resistance and a visible blown-fuse indicator, ensuring enhanced longevity and safety.
What is the California Proposition 65 warning?
This product may expose you to chemicals, including di(2-ethylhexyl)phthalate (DEHP), known to the State of California to cause cancer, birth defects, or other reproductive harm.
Frequently Asked Questions
What is the amperage rating of the Blue Sea 5139 MAXI Fuse?
The Blue Sea 5139 MAXI Fuse has an amperage rating of 40 AMPS.
What is the purpose of a MAXI fuse in a marine electrical system?
A MAXI fuse, like the Blue Sea 5139, provides reliable overcurrent protection for higher amperage circuits within a marine electrical system, preventing damage from surges or shorts.
Are Blue Sea Systems fuses corrosion resistant?
Yes, the Blue Sea 5139 MAXI Fuse features tin-plated connector blades specifically designed for corrosion resistance in marine environments.
How can I tell if this fuse has blown?
The Blue Sea 5139 MAXI Fuse features a visible indication to clearly show when the fuse has blown and needs replacement.
What is the California Proposition 65 warning for this product?
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.
