GFN midget indicating fuses are available in 34 ratings from 1/10A through 30A. These time-delay fuses have built-in blown fuse indicators which pop out at the end of the fuse to visually indicate when the fuse has operated. Indicators may be used to trip a switch for remote as well as visual indication. (Not for Branch Circuit Protection). 250 Volts 3.5 Amps GFN series.