Opto 22's DC60P is a robust solid-state relay (SSR) designed for DC control applications. Introduced in 1974, Opto 22 pioneered liquid epoxy-filled SSRs, significantly improving reliability and reducing manufacturing costs. The DC60P features rugged epoxy encapsulation, 4,000 volts of optical isolation, and is subjected to rigorous testing before and after encapsulation, ensuring consistent performance and a long operational life. It's ideal for industrial automation, process control, and other applications requiring reliable DC switching.