USFULL DC Fuse – 1000V DC Solar / Battery Protection

Get a Free Quote Today

Protect your electrical systems with high-performance surge protection solutions backed by expert engineering and reliable support.

The USFULL DC Fuse is a high-reliability protective fuse engineered specifically for DC applications such as solar PV arrays, battery systems and other renewable-energy installations. Designed to interrupt fault currents safely in DC circuits up to 1000V, these fuses protect strings, combiner boxes, inverters and downstream components from overloads and short-circuits.

Key Features

  • Rated Voltage: Up to 1000V DC
  • Available Current Ratings: commonly offered from 6A to 32A (model dependent)
  • Form Factor: Standard 10 × 38 mm cylindrical fuse elements and corresponding fuse holder modules
  • High breaking capacity suitable for DC fault interruption
  • Low melting integral for dependable, repeatable operation
  • Temperature-stable design for outdoor and combiner-box use
  • Compact – ideal for tight combiner box and inverter input installations
  • Clear marking on fuse body for easy identification