Blue Sea Systems — ATO Fuse Block, 12 Circuit with Ground — BSS-5026
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Blue Sea Systems ATO Fuse Block, 12 Circuit with Ground (5026)
This Blue Sea Systems 5026 fuse block distributes power to twelve ATO-fused circuits and includes a negative bus (ground). Tin-plated copper buses and beryllium copper fuse clips carry the full 30 Ampere rating per circuit, and the clear insulating cover insulates all conductive parts, satisfies ABYC and USCG requirements, and stores spare fuses.
Part Details
- Brand: Blue Sea Systems
- Manufacturer part number: 5026
- Product type: ATO fuse block, 12 circuit, with negative bus (ground)
- Fuses: Uses ATO fuses
- Rating: Full 30 Ampere rating per circuit
- Construction: Tin-plated copper buses and beryllium copper fuse clips
- Cover: Clear insulating cover with label recesses for standard Blue Sea Systems labels, with spare-fuse storage
- Sold as: each (pack of 5)
Key Features
- Twelve ATO-fused circuits with a negative bus (ground)
- Full 30 Ampere rating per circuit
- Tin-plated copper buses and beryllium copper fuse clips
- Clear insulating cover with label recesses for standard Blue Sea Systems labels
- Cover insulates all conductive parts, satisfying ABYC and USCG requirements
- Cover stores spare fuses
Compatible Applications
- Boat electrical circuits protected by ATO fuses
- Installations that call for a fused distribution block with a negative bus
Technical FAQ
- What fuses does it use? ATO fuses.
- What is the per-circuit rating? A full 30 Amperes per circuit, carried by tin-plated copper buses and beryllium copper fuse clips.
- Does it have a ground bus? Yes, this version includes a negative bus (ground); the ATO fuse block family also comes without one.
Also Available
- Blue Sea Systems Ato/atc Fuse Blocks - Ato Fuse Block 12-CIRCUIT | 5029 — another 12-circuit ATO fuse block listing in the same family.
- Blue Sea Systems Ato/atc Fuse Blocks - Ato Fuse Block 6-CIRCUIT | 5028 — the same ATO/ATC fuse block family in a 6-circuit layout. This listing is a draft in our store, so it may not be available to shoppers yet.
- Blue Sea Systems — Compact ST Blade Fuse Block, 4 Circuit — BSS-5045 — a compact 4-circuit blade fuse block that accepts ATO and ATC fuses. This listing is a draft in our store, so it may not be available to shoppers yet.
- Blue Sea 5243100 Fuse ATO/ATC 20 Amp 25/Pk — ATO/ATC fuses for this style of block, sold separately.
Parts Desk Insights
- Best use case: Clean twelve-circuit fused distribution with a ground bus on a boat, with labelled circuits and spare fuses stored in the cover.
- Most common customer mistake: Confirming the block's rating but not each fuse. The block carries a full 30 Amperes per circuit, and each circuit's protection comes from the ATO fuse installed, so match every fuse to its circuit before powering up.
- Sizing and fitment guidance: Confirm the fuse style (ATO), plan the wiring around the negative bus, and use the cover's label recesses to keep the circuits identified. See the Also Available section for 4-, 6-, and 12-circuit layouts in the same family.
Shipping information
In-stock and OEM parts: ship same or next business day.
Supplier-stock items are usually ready for pickup or shipping within 24 hours of ordering.
Special-order timing may vary.
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.