SmartSpot® Time Delay Fuse, Amperage Rating: 6 A, Voltage Rating: 600 VAC, 500 VDC, Interrupt Rating: AC: 200 KA, DC: 100 KA, Class: J, Mounting: Clip, Element: Dual, Material: Fiberglass Body, Size: 0.813 X 2-1/4 IN, Standard: UL listed to standard 248-8, file number E2137, DC listed to UL standard 248, CSA certified to standard C22.2, number 248.8, IEC 269-2-1, Application: For motor circuits, mains, feeders branch circuits, lighting, heaters, transformers, control panels, circuit breaker back-up, bus duct, load centers