The Solid State Relay is used to switch up to 2.5 Amps at up to 40 Volts DC, or 28 Volts AC. The relay board is controlled by a digital output on the PhidgetInterfaceKit 8/8/8, the PhidgetTextLCD 8/8/8, or the PhidgetRFID v2.0 and greater. Product Manual This product is part of the Phidgets family! Phidgets are an easy to use set of USB-based building blocks for low cost sensing and control from your PC. A wide array of sensors, I/O devices, and controllers are available. To view the entire...