Bussmann fwp 690v700v 20 100a 58mm high speed fuses without striker bussmann fwp 100a22fa this high speed fuse from bussmann is a ferrule style fuse without indicating striker designed with excellent cycling capability and dc performance the fuse also offers low arc voltage and low energy let through i2t plus low watts loss in a compact size bussmann fwp 100a22fa 690v700v 100a high speed fuse