The OPTO-22 part 240D3 is a reliable Solid State Relay (SSR) designed for efficient and safe switching of electrical loads. It features a DC input, allowing it to be easily controlled by a wide range of control systems. With a maximum load capacity of 3A and AC output of 240V, this SSR is suitable for various industrial and commercial applications. The 4-pin configuration ensures easy installation and connectivity. Trust OPTO-22's 240D3 to provide efficient and durable performance in your electrical control systems.