Square-Body Fuses

Littelfuse manufactures a variety of POWR-SPEED® high-speed semiconductor, square-body fuses. The PSR series is specifically designed for the protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices used in power conversion equipment. The PSX series is designed to protect battery energy storage systems, photovoltaic inverters, dc applications such as dc common bus systems, industrial regenerative drives, rectifiers, and metal processing equipment. These products offer optimized protection at the extremely fast speed required to protect high-power systems.