JTD005ID is a Class J fuse with an ampere rating of 5 and cartridge-style construction. Specifications Current Rating (Continuous) in Amps 5 Interrupting Rating 20 kA @ 300 Vdc Opening Slo-Blo/Time Lag (T)/Time Delay Maximum AC Voltage (V) 600 Voltage Rating (V) 300 Size Industrial Cartridge Family style Powr-Pro Fuse Fuse Class Class J Indicating Yes Interrupt Amperage 200000