The Schneider A9L40600 Surge Arrester is a 3P+N type unit designed to protect electrical systems from power surges, with a maximum surge current rating of 40kA. This surge arrester is capable of safeguarding equipment and preventing damage that can result from sudden electrical spikes. The iPRD 40 designation signifies its high level of performance and reliability in diverting excess electrical energy away from sensitive components. This product is ideal for industrial and commercial applications where protection against power surges is essential.