High Speed Semiconductor Fuses

Bussmann high speed semiconductor fuses (Series KAC) are fast-acting, non-indicating semiconductor fuses which open instantly when exposed to overloads and short circuits. They are also called fast-blow semiconductor fuses and are extremely sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. These semiconductor fuses are not provided with any indicator for identifying a blown fuse, so they are sometimes used with an indicating fuse block or cover. These UL listed semiconductor fuses provide overcurrent protection for solid-state components such as diodes and thyristors in variable-speed drives, uninterruptible power supplies (UPSs), power rectifiers and other power electronics applications. Choose from a broad range of these Bussmann fast acting fuses, available in diameters of 9/16, 13/16, 1, 1.5, 2 and 2.5 inches on Raptor Supplies.

Mersen Ferraz Amp-Trap Series fuses are suitable for the protection of higher voltage traction rectifiers. They offer a unique design to minimise peak let-thru current, arc voltages and high-potential faulty currents in extremely short times. They feature GMG / polytube type construction that encases the conductive elements as well as withstand the electrical & thermal stresses caused during the operation. These high-speed fuses further offer bolted / ferrule mount connection to securely attach the fuse to a mounting structure or base.

Mersen Ferraz Amp-Trap Series A15QS fuses are electrical protection devices suitable to safeguard electrical systems and equipment from overcurrent conditions. They are used in industrial and commercial electrical settings to avoid hazardous electrical faults. They feature visual indication or remote signalling capability, allowing users to easily identify when they require replacement. These A15QS fuses offer optional auxiliary microswitches, providing additional monitoring capabilities and enabling users to integrate them into advanced control systems for enhanced protection and real-time status monitoring. These A15QS fuses maintain a consistent size across all their variants, ensuring ease of installation and replacement.