Blue Sea 5246 Fuse ATO/ATC 40 Amp 2/Pk
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Blue Sea 5246 ATO/ATC style fuse set delivers fast-acting DC protection in a corrosion-resistant, tin-plated blade design—helping you keep small DC circuits protected and easy to troubleshoot.
Key Features
- Fast-acting protection for DC circuits (ATO/ATC style)
- Tin-plated connector blades for corrosion resistance
- Visible indication of blown condition
- Maximum voltage: 32 volts DC
- Interrupt capacity: 1000 Amperes DC
- 2-pack for stocking a spare fuse
Intended Use
- Marine DC electrical systems
- RV and camper 12V/24V DC circuits
- Small DC electronics protection where ATO/ATC fuses are used
- General DC circuit protection applications requiring 40A ATO/ATC fuses
Product Details
- Blue Sea 5246 Fuse ATO/ATC 40 Amp 2/Pk
- Fuse type: ATO/ATC (blade)
- Amperage: 40 Amp
- Package quantity: 2 per pack
- Maximum voltage: 32 volts DC
- Interrupt capacity: 1000 Amperes DC
- Connector blade material/finish: Tin-plated (corrosion-resistant)
- Blown indication: Visible
Parts Desk Insights
Best Use Case: A strong replacement choice for ATO/ATC fuse panels or fuse holders used to protect smaller DC loads where quick failure indication is helpful for troubleshooting.
Common Issues: If a fuse blows again after replacement, inspect the wiring and the connected load for shorts, overload conditions, or intermittent faults—don’t just keep resetting/replacing without checking the cause.
Related Products & Accessories
- Browse Fuse Holders & Circuit Protection - Pair with the correct ATO/ATC-compatible fuse holders/panels for a complete protection setup.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.