We recommend you use a fuse from Mersen/Ferraz Shawmut for a fast replacement. With time delay fuse speed, 8A fuse amps, an interrupt rating of 200kA at 600VAC, 20kA at 600VDC, and trs-rid series, this fuse is a must-have. The body is made of polyester material. It is an indicating fuse. It has a dual element. When it comes to product classification, this item can be grouped as RK5. The voltage rating is 600vac/dc. Functionally equal to Bussmann FRS-R-ID, Littlefuse FLSR-ID, you'll thoroughly enjoy its use. As far as size goes, it is 13/16" in diameter. Standards include: UL, CSA.