Opto 22's 240D25-17 is a robust solid-state relay (SSR) engineered for demanding industrial environments. Featuring a rugged epoxy encapsulation and 4,000 volts of optical isolation, this SSR provides reliable and efficient switching of AC loads. The design incorporates zero-voltage turn-on and zero-current turn-off capabilities, along with a fast turn-on and turn-off time (0.5 cycle maximum). Suitable for applications such as motor control, lighting systems, and process automation, the 240D25-17 offers a dependable solution for precise and consistent power control. It operates effectively within a temperature range of -40°C to 100°C and is hermetically sealed for enhanced durability.