Devantech Devantech 2 Channel USB Relay

The Devantech 2 Channel USB Relay provides two volt free contact relay outputs with a current rating of up to 16Amp each. It is powered and instructed from any standard USB bus and does not require any additional power. The relays are SPCO (Single Pole Change Over) types. The normally open, normally closed and common pins are all available on the screw terminals. Number of Relay's: 2; Power: Powered from standard USB bus; Control Interface: USB ; Connections: Screw Terminals for N/O N/C and Common contacts