Description Reduce Down-Time; Reduce Nuisance Opening Have Superior Time-Delay and Cycling Characteristics which Can Lengthen Fuse Life and Decrease Needless Opening; Reduce Fuse Inventory Have Superior Performance Characteristics they Can be Used on a Variety of Applications; Reduce Equipment Damage Have Superior Overload and Short Circuit Protection which Can Reduce Equipment Damage; Reduce Accidents The Indicator Fuses Improve Safety by Minimizing Exposure to Live Circuit Specifications: Type: Class J Characteristics: Time Delay Voltage Rating: 600 VAC Current Rating: 40 Ampere Interrupting Rating: 200000 Ampere (Symmetrical) Terminal Type: Ferrule Diameter: 1-1/16 Inch Length: 2-3/8 Inch Approval: UL 248-8, CSA, CE