Zettler AZ9571 Series Subminiature PCB Relays SPDT - Zettler Electronics AZ9571-1C-3DSE, A 1A 3V DC SPDT subminiature PCB mounting relay with a sensitive coil. Suitable for a wide range of applications. Zettler Electronics AZ9571-1C-3DSE PCB Mount Relay 1 CO, SPDT