This MDL series glass fuse has a time delay and measures 1 1/4 x 1/4 inches. Functionally equal to Ferraz Shawmet GDL and Littlefuse 313 (up to eight amps), this fuse is suitable for momentary current surges and short circuit protection of motors, small transformers, and signal lamp circuits. This fuse meets CSA Certification standards and has an interrupt rating of 100 A at 250 VAC and 10kA at 125 VAC. There are five fuses per pack.