Bussmann fwp 690v700v 1 50a 51mm high speed fuses without striker bussmann fwp 15a14fa this high speed fuse from bussmann has been 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 15a14fa 690v700v 15a high speed fuse