The Eaton SPD100480Y1C is a surge protection device designed to safeguard electrical systems against transient voltage spikes. This SPD unit supports a four-wire plus ground configuration with a 480Y/277V rating, making it suitable for a variety of commercial and industrial applications. It offers a maximum surge current capacity of 100 kA per phase, ensuring reliable defense against power surges. The device features specific protection levels, with nominal discharge currents rated at 320 A between line-to-neutral, line-to-ground, and neutral-to-ground, and 640 A for line-to-line. Distributed by BSP Automation, this product provides robust and effective surge suppression to help maintain the integrity and longevity of your electrical installations.