The IA-2104-U is a low cost Industrial USB Relay controller module, Powered and Controlled by the USB port.

The IA-2104-U includes 4 Power SPDT Relays, with contact rating of 8 Amp both at 30VDC and at 240VAC.

The IA-2104-U is software compatible to the Intelligent Appliance IA-3000 Series modules.


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