Description
The Blue Sea Systems 7721 MEGA / AMG Safety Fuse Block holds a MEGA / AMG fuse for high-current DC circuit protection. Its sealed, insulating cover helps protect the fuse from harsh marine conditions, while ignition protection makes it suitable for installation aboard gasoline- or diesel-powered boats.
Compatible with the BSS-5108 300A MEGA / AMG fuse. Fuse sold separately.
Key Features
- Protective cover: Sealed design helps protect the fuse from the marine environment.
- Ignition protected: Suitable for installation aboard gasoline- or diesel-powered boats.
- Insulated connections: Cover meets ABYC/USCG insulation requirements.
- Flexible cable routing: Cover breakouts allow wire access from any direction.
- Easy identification: Accepts Blue Sea Systems Square Format standard or custom labels.
Specifications
- Brand: Blue Sea Systems
- Manufacturer part number: 7721
- Product code: BSS-7721
- Fuse type: MEGA / AMG
- Maximum current: 300A with 4/0 AWG cable
- Maximum voltage: 32V DC
- Stud size: M8 x 1.25
- Ring terminal size: M8 / 5/16″
Fuse selection and cable sizing must suit the circuit being protected.


