Usage: Glass tube fuses is a type of low resistance resistor that acts as a sacrificial device to provide overcurrent protection, of either the load or source circuit What You Get: There are 5pcs fast blow glass fuses for you, to meet your different needs. Function: Oven fuses wired in series with the high voltage feed from the high voltage to the magnetron. Application: Both electrode parts ends have excellent conductivity, Replacement type high voltage fuse tube for modern microwave ovens. Safe: 0.7A fuse tube with overload and overcurrent protection,Panel mounted fuse holder with quick blow glass tube fuse, suits for Car Radio Audio DIY project.