Devantech 8-Channel USB Relay Module

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8 volt free contact relay outputs with a current rating of up to 1Amp each Control interface: USB Exceptionally low maximum current consumption The Devantech 8-Channel USB Relay Mo dule provides eight volt free contact relay outputs with a current rating of up to 1Amp each. It is powered from any standard USB bus and has an exceptionally low maximum current consumption of approx. 90mA with all relays on. The relays are SPCO (Single Pole Change Over) types. The normally open, normally closed and common pins are all available on the screw terminals. Type "A" to type "B" USB cable required, but sold separately Show more