The OPTO-22 part 240D45 is a reliable and efficient Relay SSR with a voltage input range of 280V AC, and a voltage output range of 240V AC. It features a 4-pin configuration, making it easy to install and connect. This SSR is designed to provide seamless switching and control of electrical loads, ensuring superior performance and accuracy in various applications. Trust the OPTO-22 240D45 to deliver optimal performance and reliability in your electrical control systems.