The TSD4422 is a dual 40A solid state relay from SSAC. This device is ideal for controlling large loads such as motors, pumps and other industrial machinery. It has a wide operating temperature range and is capable of withstanding harsh environments. The TSD4422 also offers several protection features such as over temperature, over current and short circuit protection. In addition, it can be mounted to a PCB, DIN rail or via terminal screws for easy installation.