8 Channel 16Amp Relay Module with USB (USB-RLY16L)

The "USB-RLY16L" is an eight channel relay module with 16Amp relays that is powered and controlled via a USB connection using simple commands. Screw terminals for each relay provide connection to normally open, normally closed and common.

AUD$ 129.95

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Our Code: MCU-60092


The USB-RLY16L is powered solely from the USB bus and provides eight volt free contact relay outputs with a current rating of up to 16Amp each.  The relays are SPCO (Single Pole Change Over) types and provide position 0, position 1 and common pins (latching relays and have no "normally open" or "normally closed" contacts) on the screw terminals labelled as 0, C and 1 accordingly. The relays will also retain their state in the absence of power.


  • Number of Relay's - 8
  • Power - Powered from standard USB bus
  • Control interface - USB
  • Relay current - Up to 16Amp @24vdc or 250vac
  • Connections - Screw Terminals for Position 0, Position 1 and Common contacts.
  • Operating Temperature: -40C to +70C

LED indication

The USB-RLY16L provides a red LED mounted immediately next to each relay to indicate whether it is in a position 1 state (LED on) or position 0 state (LED off).  


Full Technical Documentation

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