The FERRAZ SHAWMUT Y085443 is a miniature fuse within the FA Very Fast Acting series, designed for applications requiring rapid overcurrent protection. It features a compact 6.3x32mm form factor and is rated for 500V. The fuse provides reliable protection for sensitive electronic circuits and is UL recognized (E76491). Typical applications include power supplies, lighting systems, and other industrial equipment where fast response to overcurrent conditions is critical. The fuse's breaking capacity and pre-arcing/clearing I²t values ensure safe and effective operation under fault conditions. Packaging is in blister packs of 50 pieces, with bulk options available upon request.