The SOLID STATE RELAY, W/BUILT IN HEAT SINK, SINGLE POLE, DC CONTROL (part number SS90AU-1) from MDI is a reliable and efficient solid-state relay for various electrical applications. With its built-in heat sink and single pole configuration, it provides precise control and excellent performance. Its DC control capability ensures compatibility with a wide range of control signals. Ideal for a variety of applications, this solid-state relay is a valuable component in electrical systems.