2 Channel Relay Module with USB Interface (USB-RLY02)

2 Channel Relay Module is controlled and powered by a standard USB connection. It features high quality relays rated at up to 16Amp @24vdc or 250vac and screw terminals for N/O, N/C & common relay connections for easy installation.

Not currently available

Our Code: MCU-60088


The USB-RLY02 provides two volt free contact relay outputs with a current rating of up to 16Amp each. The USB-RLY02 is powered and instructed from any standard USB bus and does not require any additional power. The relays are SPCO (Single Pole Change Over) types. The normally open, normally closed and common pins are all available on the screw terminals.


  • Power - Powered from standard USB bus
  • Control interface - USB
  • Relay current - Up to 16Amp @24vdc or 250vac
  • Connections - Screw Terminals for N/O N/C and Common contacts.
  • Operating Temperature: -40C to +70C
  • Dimensions: 71.12 x 50.8mm

LED indication

The USB-RLY02 provides a red LED mounted immediately next to each relay to indicate whether it is in a powered state (LED on). 


Full technical documentation