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velleman K8090 8 Channel USB Relay Card image back view Zoom

8 Channel USB Relay Kit

SKU: K8090
8 Channel USB Relay Kit

Assembly Required. For the assembled module, order VM8090

Availability: In stock
Assembly Required: Yes



Assembly Required!
Product Description


    Eight relay channels controlled by your computer!
    Use your computer USB port to connect to the outside world

    Connect up to 16A to each of the high power relays.
    Board space for extra VDR noise suppressors is provided and on board push buttons can be used to test/operate all the relays.

    A dll for own software development can be downloaded from our web site.
    Test software completes the package.


    • USB-controlled relay card
    • manual operation for toggle, momentary or timer operation (selectable through software)
    • timer settings up to 18 hours (DLL function)
    • optional open collector connectivity (push button simulation
    • DLL for own software development (download only)


    • event-driven and open protocol
    • two way PC communication (USB Event return)
    • optional VDR (type VDR300) transient suppression for use with inductive loads
    • LED indication for power and relay action
    • minimum system requirements:optional DIN rail enclosure: B8006 (Note: cut out the USB connector)
      • PC running USB compatible Windows version
      • USB1.1 and USB2.0 full speed compatible
      • internet connection for software download


    • power supply for relays: 9-10Vac or 12 to 14Vdc (500mA)
    • 8 high-power relays: 16A each (resistive load)
    • dimensions: 160 x 107 x 30mm / 6.3 x 4.2 x 1.2"
Additional Information

    Additional Information

    SKU K8090
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