Brand: Edison Item: Fuse Series: ECNR Size: 2.59x10.38in or 65.8x263.7mm Application: Feeder/branch protection applications Voltage Rating: 250 VAC Amperage Rating: 450A Current-Limiting: Yes Fuse Class: Class RK5 Curve Characteristics: Time-delay Body Type: Knife blade Edison fuse, ECNR series, Class RK5, current-limiting, time-delay, 450A, 250 VAC, knife blade, feeder/branch protection applications.