Blue Sea 5245100 Fuse ATO/ATC 30 Amp 25/Pk
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Blue Sea Systems 5245100 is a 30 Amp ATO/ATC style fast-acting blade fuse (25-pack) designed for DC circuit protection in marine and automotive 12V/24V electrical systems.
Key Features
- Fast-acting type fuse for DC circuit protection
- 30 Amp rating
- ATO/ATC blade style
- Visible indication of blown condition
- Tin-plated connector blades help resist corrosion
- Maximum voltage: 32 volts DC
- Interrupt capacity: 1,000 Amperes DC
Intended Use
- DC electrical circuit protection for marine/automotive use (requires an ATO/ATC fuse holder/block)
- Replacement fuse for systems using standard ATO/ATC blade fuses
Product Details
- Product: Blue Sea 5245100 Fuse ATO/ATC 30 Amp 25/Pk
- Fuse type: Fast-acting type
- Fuse rating: 30 Amp
- Pack quantity: 25 fuses per package
- Fuse style: ATO/ATC blade fuse
- Maximum voltage: 32 volts DC
- Interrupt capacity: 1000 Amperes DC
- Connector blades: tin-plated
- Blown condition indication: visible blown-fuse indication
- SKU/Variant: 661-5245100
- Weight (per unit listed): 41 grams
Parts Desk Insights
Best Use Case: Keep a spare set of correctly rated ATO/ATC blade fuses on hand for troubleshooting and restoring DC circuit power quickly after an overload or fault.
Common Issues: If a fuse repeatedly blows, the issue is usually downstream (short circuit, overloaded circuit, or failing component), not the fuse. Verify the fuse rating matches the circuit requirements, inspect the fuse holder contacts for corrosion, and check the wiring and load before replacing again.
Related Products & Accessories
- Fuse Holders & Fuse Blocks (ATO/ATC) - Browse the ATO/ATC fuse holder and fuse block category to match this blade fuse style to your existing protection hardware.
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.