USB Signal Relays
USB8VI8SRMx
General purpose relay card with 8 opto-isolated, 120V, 3A signal relays and 8, 3V to 60V, AC/DC, o..
£107.60
USB4SRMxN
This low cost, general purpose, USB powered board has 4 relays and four general purpos..
£43.92
DO24SRMx-1Stack-USB
DO24SRMx-1Stack. Pre-assembled & tested relay card stack providing a low cost solution for ..
£286.88
DO24SRMx-2Stack-USB
DO24SRMx-2Stack. Pre-assembled & tested signal relay board stacks - from with our full range o..
£445.39
DO24SRMx-3Stack-USB
Pre-assembled & tested relay board stacks - from with our full range of 24-channel relay board..
£609.95
USB24SRMx
Low cost, general purpose, USB powered 24 channel relay board. Can be commanded via simp..
£139.27
DO24SRMx-4Stack-USB
Pre-assembled & tested signal relay board stacks - from with our full range of 24-channel rela..
£730.43