Blue Sea Systems 5121BSS Class T Fuse 400 Amp 160V DC Bolt-On

The Blue Sea Systems 5121BSS is a Class T (A3T) bolt-on fuse rated for 400 amps at 160 volts DC, designed for high-amperage circuit protection in marine and mobile power systems. Class T fuses provide fast-acting overcurrent protection with a high interrupting rating, making them ideal for protecting battery banks, inverters, and other high-current DC applications.

Key Features:

• 400 amp current rating at 160 volts DC
• Class T (A3T) fast-acting fuse design for superior circuit protection
• Bolt-on terminal connection for secure, low-resistance installation
• High interrupting capacity suitable for battery systems and inverter protection
• UL recognized component for safety and reliability
• Compact design minimizes space requirements in electrical panels

This fuse is an essential safety component for any high-amperage DC electrical system, providing reliable protection against overcurrent conditions while maintaining low voltage drop during normal operation. The bolt-on design ensures a solid mechanical and electrical connection for demanding marine and mobile applications.