Opto 22's 480D25-12 is a robust solid-state relay designed for reliable switching of 480 VAC loads with DC control. Featuring 4,000 volts of optical isolation and transient proof capabilities, it provides excellent protection in electrically noisy environments. The relay's rugged epoxy encapsulation and unique heat-spreader technology ensure long-term reliability and performance, making it suitable for demanding industrial automation, motor control, and lighting applications. It is guaranteed for life and offers zero-voltage turn-on and zero-current turn-off functionality.