The MARATHON/KULKA 6J30A3SP is a Class J fuse holder engineered for reliable performance in various industrial applications. It's tested and approved for a 200,000 Amp withstand rating and short circuit withstand rating, ensuring safety and protection. The holder is UL Listed and CSA Certified, meeting stringent industry standards. Available with optional copper box connectors and various stud options (consult customer service), this fuse holder provides versatility and adaptability for diverse electrical systems. For electronic drawings and CAD data, requests can be submitted through the Marathon Electric website.