Littelfuse JTD 100 100A, 600V, Class J Time Delay Fuse 100 Amp Fuse, Time Delay, Brand or Series: Class J, Indicator, Interrupting Rating: 200000 Amp AC RMS Symmetrical, Terminal Type: Bolt Mount, Dimensions: 1 1/16 Diameter x 2 3/8 Length Inch, Voltage Rating: 600 VAC, Material: Stone Sand and Granular Quartz Filler, Features: Time Delay Dual Element.