High-quality surge protection solutions from Siemens come in many forms for you and your application. The new Siemens BoltShield FSPD series of surge protective devices (SPDs) are economical and easy to install next to any brand of load center for whole home surge protection. SPDs provide the best protection from both externally and internally generated surges when located as close to the home's electrical panel as possible. The FSPD036 is a Type 1 SPD providing 36kA of surge current protection per phase. The Siemens BoltShield FSPD series meets 2020 NEC & 2023 NEC surge requirements.