The 6J30A3B is a 3-pole Class J fuse holder rated for 30 Amps and 600V. Constructed with a thermoplastic base, it features tin-plated copper alloy clips with a Cool-Clip® design for improved thermal characteristics. This model has been tested and approved for a 200,000 Amp withstand rating, ensuring high performance in demanding applications. It accommodates a copper wire range from #6 to #14 AWG and is designed for Class J fuses measuring 13/16" in diameter by 2 1/4" in length. With its integral DIN rail mount, UL listing, and RoHS compliance, the 6J30A3B is a reliable choice for industrial controls and power distribution systems.