Socomec FUSERBLOC Fused Isolator Switch is suitable for industrial fuses up to 1250A. It is a manually operated multi polar fuse combination switch. This fused switch disconnector breaks or switch OFF on load and provide safety isolation and protection against over current for any low voltage electrical circuit. The FUSERBLOC series is available in 3 or 4 poles with external front and right side operation from 50 to 400A.