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Eight relay channels controlled by your computer! The Velleman 8-Channel USB Relay Card uses your computer USB port to connect to the outside world. This VM8090 relay card can connect up to 16 amps 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.
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Velleman part number VM8090