Solid-state relay(SSR) is featured by: 1. Double-way controllable silicon output; zero voltage open, Zero current closed 2. Adopt photoelectricity coupling between input loop and output loop 3. LED connection indirection 4. Built-in resistance capacitance absorption circuit 5. 3-32V DC or 90-250V AC input is available for option. 6. Different size, appearance for selection. Besides our list Solid state relay/ SSR, we are also in a good position to supply ODM & OEM SSR/Solid relays, welcome to contact us by email or fax freely for further information.