The Siemens QSPD2A035B Plug-In Surge Protection Device is a reliable and efficient surge protector designed to provide protection for electrical circuits. With a plug-in mounting style and compact black design, this device is easy to install and perfect for use in various industrial and commercial settings. The SPD offers surge protection for up to 35kA, ensuring the safety and reliability of electrical equipment and systems. With a model designed by Siemens, a trusted brand in electrical equipment, this surge protector is a dependable solution for any business or industrial application.