The EFI MBP177/480Y Transient Voltage Surge Suppressor is a used industrial-grade power protection device designed to safeguard electrical systems from voltage spikes, surges, and transient disturbances. Engineered for 480Y power systems, this surge suppressor ensures stable and reliable operation of industrial equipment, automation systems, and sensitive electronic components. Built with high-performance suppression technology, it minimizes downtime and electrical damage in demanding environments.