Blue Sea Systems 7720 MIDI® Or AMI® Safety Fuse Block
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Blue Sea Systems 7720 holds an AMI or MIDI fuse in a covered marine DC circuit. Its sealed insulating cover protects the fuse connection, and removable cover sections provide cable access.
Key Features
- Part number: 7720
- Maximum rating: 200A, 32V DC, with cable and fuse sized to the installation
- M8 × 1.25 studs and M5 × 0.8 fuse screws
- Accepts square-format circuit labels
- Fuse sold separately
Installation Notes
Disconnect battery power before installation. Select the fuse for the cable and connected load, confirm terminal fit, and follow the manufacturer’s wiring and tightening instructions. Replace a damaged or heat-discoloured holder before returning the circuit to service.
Manufacturer product information · Manufacturer dimensioned drawing
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three 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.