Description
This product is part of our Open Box/Refurbished inventory. It may be open-box, lightly used, or refurbished. Cosmetic blemishes or damage are clearly shown in the product images. Some non-essential components such as manuals or packaging may be missing.
Each unit has been thoroughly tested and confirmed to work as expected. Warranties remain valid but may be prorated based on shelf time (typically between 1-4 years remaining on warranty).
All sales final. No returns accepted for cosmetic issues. Please review product images carefully before purchase.
The Blue Sea Systems 5502100-BSS Class T Fuse Block is engineered for high-amperage DC applications where safety and reliability are paramount. Designed to accommodate Class T fuses from 225A to 400A, this fuse block is ideal for protecting large battery banks and inverter circuits in marine, RV, and off-grid solar systems. Its robust construction, high-conductivity materials, and included insulating cover ensure secure, safe operation even in demanding environments.
The compact design minimizes footprint while maximizing accessibility, and the included snap-on insulating cover enhances safety by preventing accidental shorts. This fuse block is built to meet ABYC standards, offering peace of mind for high-power system protection.
Features:
- Accepts Class T fuses from 225A to 400A
- Secure stainless steel studs for high-current connections
- Included insulating cover enhances safety and meets ABYC standards
- Tin-plated copper conductors resist corrosion and improve conductivity
- Suitable for inverter and high-capacity battery bank protection
- Rated for use up to 160V DC
Technical Specifications:
- Fuse Type: Class T
- Fuse Range: 225A–400A
- Maximum Voltage: 160V DC
- Terminal Stud Size: 3/8″-16
- Wire Size: Up to 4/0 AWG
- Mounting: Surface mount
- Base Material: Reinforced polycarbonate
- Conductor Material: Tin-plated copper
- Cover: Included, snap-on insulating cover
- Certifications: ABYC E-11 compliant
- Operating Temperature: -40°C to 105°C





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