The BSPA150120N1P is an Eaton Bussmann series surge protection device designed to protect electrical systems from transient overvoltages and surge events. It features a 150 kA interrupt rating at 120V for single-phase applications, housed in a NEMA 4X enclosure for robust environmental protection. The device operates across a frequency range of 50/60 Hz and maintains reliable performance over an operating temperature range of -40°C to 65°C. With UL 1449 certification and standard configuration, this surge protective device is ideal for industrial and commercial installations requiring dependable surge suppression and system protection.