Brand: Edison Item: Fuse Series: JDL Size: 2-1/8x7-1/8in or 54x181mm Application: Feeder/branch protection applications Voltage Rating: 600 VAC Amperage Rating: 400A Current-Limiting: Yes Fuse Class: Class J Curve Characteristics: Time-delay Body Type: Knife blade Edison fuse, JDL series, Class J, current-limiting, time-delay, 400A, 600 VAC, knife blade, feeder/branch protection applications.