Seachoice 11277 Splash-Proof ATC Fuse Block – 8 Circuit
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You have 30 days to request a return. All sale items are final sale.
The Seachoice 11277 is an 8-circuit splash-proof ATC fuse block for adding independently fused circuits to a marine electrical system. Each of the eight circuits is fully isolated — power is not shared through a common bus, so each pole has its own 1/4" male quick-connect terminal. A blown fuse on one circuit does not affect the others, making this a clean and reliable solution for powering multiple accessories from a single distribution point.
A back plate behind the block provides additional electrical isolation and safety. The clear cover seals with an O-ring to keep out moisture and contaminants, and allows visual inspection of fuse condition without removing the cover. Rated at 15A per circuit, with an operating temperature range of -40°C to 105°C (-40°F to 221°F) at up to 95% relative humidity. Mounts using two 5.5mm holes for M5 (#10) screws. Fuses are not included.
- 8 independently isolated ATC fuse circuits
- 15A per circuit
- 1/4" male quick-connect terminals — one per pole, not a common bus
- Back plate for electrical isolation and safety
- Clear O-ring sealed cover — splash-proof and visually inspectable
- Operating range: -40°C to 105°C (-40°F to 221°F), 95% RH non-condensing
- Mounts with two 5.5mm holes for M5 (#10) screws
- Fuses not included
Best Use Case: Ideal for helm panels or electrical distribution areas on larger powerboats, cruisers, or sailboats where 8 or more accessory circuits need individual fuse protection. Common applications include chartplotters, VHF radios, navigation lights, bilge pumps, stereos, and cabin lighting — all on separate, independently protected circuits.
Parts Desk Insights: This block uses ATC (standard blade) fuses — confirm your fuse type before purchasing fuses separately. Each circuit is independently isolated; this is the correct configuration for most marine accessory wiring. If 4 circuits are sufficient, see the Seachoice 11276 Splash-Proof ATC Fuse Block – 4 Circuit. For circuit protection and switch panels, see the Switches & Circuit Protection collection and the Fuse Blocks & Holders collection.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 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.