This MDL series fuse has a glass body, a time delay, and measures 1 1/4 x 1/4 inches. For momentary current surges and short circuit protection of motors, small transformers, and signal lamp circuits. Functionally equal to Ferraz Shawmet GDL and Littlefuse 313 (up to eight amps), this fuse has an interrupt rating of 35A at 250 VAC and 10kA at 125 VAC. This fuse meets CSA Certification standards. There are five fuses per pack.