Blue Sea 5240100 Fuse ATO/ATC 7.5 Amp 25/Pk
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Blue Sea 5240100 is a 7.5 Amp ATO/ATC-style fast-acting fuse pack designed for 32V DC circuits. Each fuse includes corrosion-resistant tin-plated connector blades and a visible indicator to help confirm when a fuse has blown.
Key Features
- Fast-acting ATO/ATC fuse for electronic circuit protection
- Tin-plated connector blades for corrosion resistance
- Visible indication of blown condition
- Maximum voltage: 32 volts DC
- Interrupt capacity: 1000 amperes DC
Intended Use
- 12V/24V DC marine and recreational electrical circuits that use ATO/ATC-style plug-in fuses
- Use in ATO/ATC fuse holders or fuse panels designed for blade fuses
Product Details
- Product: Blue Sea 5240100 Fuse ATO/ATC 7.5 Amp 25/Pk
- Fuse style: ATO/ATC
- Amperage: 7.5 Amp
- Pack size: 25 per package
- Maximum voltage: 32 volts DC
- Interrupt capacity: 1000 amperes DC
- Connector blades: tin-plated
- Blown condition indication: visible (blown-fuse indication)
- SKU/part number: 661-5240100
Parts Desk Insights
Best Use Case: Ideal for replacing or stocking ATO/ATC-style fuses used to protect individual DC circuits in boats, RVs, and other low-voltage systems.
Common Issues: If a fuse blows repeatedly, the fuse is doing its job—check for the underlying short or overload in the circuit before installing another fuse. Also verify the circuit’s intended fuse size and that the fuse holder/panel matches ATO/ATC blade fuses.
Related Products & Accessories
- Browse Fuses - Find additional fuse amperages and related fuse-holder components for your DC 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.