Blue Sea Systems
Blue Sea Systems 7720 Safety AMI / MIDI Fuse Block
Blue Sea Systems 7720 Safety AMI / MIDI Fuse Block
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Blue Sea Systems Safety AMI / MIDI Fuse Block (7720-BSS / 7720)
The Blue Sea Systems 7720-BSS (Catalog SKU: 7720) is a heavy-duty, single-circuit Safety AMI / MIDI Fuse Block engineered to provide overcurrent protection for high-amperage DC branch circuits between 30 A and 200 A. Ideal for protecting alternator feeds, windlasses, thrusters, and sub-panel main feeds on marine vessels and specialty vehicles, it accepts standard MIDI (Littelfuse) and AMI (Bussmann) bolt-down fuses.
Featuring a compact IP66 waterproof sealed enclosure, the unit is certified to SAE J1171 and ISO 8846 ignition protection standards, making it safe for direct installation in engine rooms and gasoline tank spaces. The clear, tethered insulating cover includes flexible break-out panels for multi-directional wire access, spare fuse storage, and an integrated slot for standard Blue Sea Systems Square Format labels.
- Ignition protected for installation aboard gasoline or diesel powered boats
- Sealed cover protects fuses from the harsh marine environment
- Insulating cover satisfies ABYC/USCG insulation requirements
- Cover breakouts allow wire access in any direction
- 200A maximum with 4/0 cable
- Accepts Blue Sea Systems Square Format standard or custom label
- Fuses sold separately
| Specifications | |
|---|---|
| Maximum Amperage |
200A |
| Maximum Voltage |
32V DC |
| Stud Size |
M8 x 1.25 |
| Fuse Screw |
M5 x 0.8 |
| Recommended Screw Torque |
27 in-lb (3.05 N·m) |
| Recommended Stud Torque |
120 in-lb (13.56 N·m) |
| Ring Terminal Size |
M8 (5/16") |
| Weight | 0.15lb (0.07 kg) |
