USB Relay Controllers

USB Relay Controllers of Series-3000 with "U2i" suffix includes an industrial isolated USB port and an RS-232 double buffered expansion feature. Series-2100 Controllers are USB Powered and Controlled, Tiny Foot Print solutions, yet of Industrial Grade. The Isolated USB port isolates the Host Computer from the Relay boards, providing a better EMI/RFI protection and better Ground Loop handling. All Relay Boards are ROHS compliant, CE and FCC approved.

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