Devantech 4 x 16A USB Relay Board USB-RLY04

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Devantech 4 x 16A USB Relay Board USB-RLY04 Powered from the standard USB bus Offers four USB relays with integrated snubbing Provides up to 16 Amp at 24 Vdc or 250 Vac Screw termi nals for N/O N/C and Common contacts The Devantech 4 x 16A USB Relay Board USB-RLY04 features 4 USB relays. Integrated snubbers have to be added to the module between the common and normally open poles. When inductive loads are to be used the snubbers suppress the switching spikes and relay arc associated with such loads. Screw Terminals for N/O N/C and Common contacts. Show more