Ethernet Module with 8 Relays
The Devantech relay module has an Ethernet interface and 8 relays with a current rating of 16Amp (24vdc or 250vac). The relays can be controlled by clicking on a web page or by TCP/IP commands. The board requires 12VDC power.
You can also control this board with a smartphone using an Android App or iPhone/iPad App.
More information is available on the website of Devantech.