Siemens Solid State Switching Devices offers a range of Solid State Switching Devices that are designed to provide reliable, high-performance switching solutions for a variety of applications. Siemens Solid State Switching Devices is a compact, three-phase solid-state switching device that can be used for switching resistive, inductive, and capacitive loads. It features an integrated thermal overload protection function, as well as LED status indicators and a wide range of accessories.